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| Share Name | Share Symbol | Market | Type | Share ISIN | Share Description |
|---|---|---|---|---|---|
| Salt Lake Potash Limited | LSE:SO4 | London | Ordinary Share | AU000000SO44 | ORD NPV (DI) |
| Price Change | % Change | Share Price | Bid Price | Offer Price | High Price | Low Price | Open Price | Shares Traded | Last Trade | |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.00 | 0.00% | 2.45 | 0.00 | 01:00:00 |
| Industry Sector | Turnover | Profit | EPS - Basic | PE Ratio | Market Cap |
|---|---|---|---|---|---|
| 0 | 0 | N/A | 0 |
TIDMSO4
RNS Number : 0097M
Salt Lake Potash Limited
25 April 2018
Hot Features
Premium
25 April 2018 AIM/ASX Code: SO4
SALT LAKE POTASH LIMITED
Initial Results Confirm Lake Way Potential
--------------------------------------------
Salt Lake Potash Limited (SLP or the Company) is pleased to provide an update on the Company's Lake Way project since following execution of an MOU with Blackham Resources Limited's (Blackham) outlining the potential to incorporate Blackham's Mining Lease tenure into the development of a Sulphate of Potash (SOP) operation.
Highlights of work completed include:
Surface Sampling Program
Ø A preliminary surface sampling program on Blackham's tenements confirms the Lake's average SOP grade of over 14kg/m(3) , making Lake Way one of Australia's highest grade SOP brine sources.
Geotechnical Investigations
Ø An initial geological and geotechnical investigation by the Company and Knight Piesold confirmed the availability of in-situ clays amendable for on-lake evaporation pond construction. A total of 24 auger holes were excavated across Blackham's tenements and laboratory tested.
Surface Aquifer Exploration
Ø Review and modelling of the large volume of historical exploration data for Lake Way confirms the likelihood of a large hypersaline brine pool on both Blackham and SLP's tenements.
--
Ø The Company is in the process of mobilising a drill rig and an amphibious excavator on the Lake to complete an initial surface aquifer exploration program.
Ø The surface aquifer program will include the construction of test pits and trenches for long-term pump testing.
Process Testwork
Ø The Company has commenced a range of process development testwork including process pathway modelling by international experts, a bulk sample evaporation trial and site-based evaporation trial at Lake Way.
CEO Matt Syme said "These initial results are very pleasing and support the Company's view that Lake Way is an ideal site for our SOP Demonstration Plant and subsequent expansions. It appears to have the best combination in Australia of scale, brine chemistry, playa surface, shallow clays for pond construction, permitting pathway and infrastructure access, which should result in substantial time and cost advantages."
LAKE WAY
Lake Way is located in the Goldfields region of Western Australia, less than 15km south of Wiluna. The surface area of the Lake is over 270km(2) .
The Wiluna region is an historic mining precinct dating back to the late 19th century. It has been a prolific nickel and gold mining region and therefore has well developed, high quality infrastructure in place.
The Goldfields Highway is a high quality sealed road permitted to carry quad road trains and passes 2km from the Lake. The Goldfields Gas Pipeline is adjacent to SLP's tenements, running past the eastern side of the Lake.
SLP has entered an MOU with Blackham to investigate the development of an SOP operation on Blackham's existing Mining Leases at Lake Way including, initially, a 40-50,000tpa Demonstration Plant (see announcement dated 12 March 2018).
Lake Way has some compelling advantages which make it potentially an ideal site for an SOP operation, including:
Ø Substantial likely capital and operating savings from sharing overheads and infrastructure with the Wiluna Gold Mine, including the accommodation camp, flights, power, maintenance, infrastructure and other costs.
Ø The site has an excellent freight solution, adjacent to the Goldfields Highway, which is permitted for heavy haulage 4 trailer road trains to the railhead at Leonora.
Ø A Demonstration Plant would likely be built on Blackham's existing Mining Licences, already subject of a Native Title Agreement.
Ø SLP would dewater the existing Williamson Pit on Lake Way, prior to Blackham mining, planned for early 2019. The pit contains an estimated 1.2GL of brine at the exceptional grade of 25kg/m(3) of SOP. This brine is potentially the ideal starter feed for evaporation ponds, having already evaporated from the normal Lake Way brine grade, which averages over 14kg/m(3) (.)
Ø The high grade brines at Lake Way will result in lower capital and operating costs due to lower extraction and evaporation requirements.
Ø There would be substantial savings to both parties from co-operating on exploration activities on each other's ground.
Ø The presence of clays in the upper levels of the lake which should be amenable to low cost, on-lake evaporation pond construction.
SLP will complete a Scoping Study for a potential SOP operation at Lake Way, including a Demonstration Plant, by mid-2018, in time to allow a decision on dewatering the Williamson Pit under the MOU. There is substantial historical data available for Lake Way and, along with the extensive, high quality technical work undertaken at SLP's other lakes, which has substantial application at Lake Way, a Scoping Study can be undertaken in a much shorter timeframe than would normally be the case.
Surface Sampling Program
The Company has now completed initial surface sampling program at Lake Way, substantially covering the Lake surface. A total of 23 pit samples have been collected encountering brine at a standing water level generally less than 1 metre from surface.
The average brine chemistry of the samples was:
K Mg SO(4) TDS SOP*
Equivalent
---------
Total (mg/L) (mg/L) (mg/L) (mg/L) (kg/m(3) )
Program Location Samples
--------------- ---------- --------- ------- ------- ------- -------- ------------
March 2018 Blackham 15 6,447 6,680 25,613 231,000 14.38
--------------- ---------- --------- ------- ------- ------- -------- ------------
November 2017 SLP 8 6,859 7,734 25,900 243,000 15.25
--------------- ---------- --------- ------- ------- ------- -------- ------------
* Conversion factor of K to SOP (K(2) SO(4) equivalent) is 2.23
The brine chemistry at Lake Way is very consistent over the lake surface. The SOP grade are amongst the highest achieved in Australia to date.
Geotechnical Investigations
To gain an understanding of ground conditions for trenching and pond construction, a preliminary geotechnical investigation program was undertaken within the Blackham Mining Tenements, in conjunction with leading international geotechnical consultants, Knight Piesold.
A total of 24 hand auger boreholes were drilled to depths of up to 3.2 metres, and the encountered soils were logged and sampled.
Lake Way ground conditions consists of a thin surface layer of evaporite sands, overlying sandy and silty clays. Firm clays were encountered at 1m to 2m depth, generally increasing in strength with depth, becoming hard from 2m to 3m. Shallow groundwater was encountered on average 0.2m below the lake surface.
A testing program was undertaken at a NATA accredited geotechnical laboratory, using specific test methods appropriate for saline conditions, to characterise soils and assess preliminary soil parameters.
Summary test results are presented below.
Particle Size Distribution Analysis --------------------------------------------------------------------------- Sample Number Lithological Unit Clay and Silt Sand and Gravel -------------- ------------------------- -------------- ---------------- 601 Mixed soils above 1.5m 26% 74% -------------- ------------------------- -------------- ---------------- 602 Clay 1.2m to 2.25m depth 71% 29% -------------- ------------------------- -------------- ---------------- 603 Mixed soils above 1.5m 47% 53% -------------- ------------------------- -------------- ---------------- 604 Mixed soils above 1.5m 47% 53% -------------- ------------------------- -------------- ----------------
Table 2: Particle Size Distribution Analysis
Hydrometer Analysis ------------------------------------------------------------ Sample Number Lithological Unit Clay Silt Sand -------------- ----------------------- ----- ----- ----- 600 Mixed soils above 1.8m 58% 20% 22% -------------- ----------------------- ----- ----- ----- 605 Mixed soils above 0.5m 29% 30% 41% -------------- ----------------------- ----- ----- ----- 606 Mixed soils above 1.8m 28% 27% 45% -------------- ----------------------- ----- ----- -----
Table 3: Hydrometer Analysis
Properties of Upper Clays ----------------------------------- ---------- Remoulded Permeability (m/s) 5x10(-10) ----------------------------------- ---------- Maximum Dry Density (t/m3) 1.75 ----------------------------------- ---------- Optimum Water Content (%) 18 ----------------------------------- ---------- Cohesion c' (kPa) 1 ----------------------------------- ---------- Angle of Shear Resistance ' (Deg) 37 ----------------------------------- ----------
Table 4: Properties of Upper Clays
Erodibility characteristics were tested and an Emerson class number of 6 was measured for all samples. This indicates non-dispersive soils that are not prone to erosion when used to form embankments.
Based on the preliminary geotechnical work to date, Knight Piesold have concluded that:
- the in-situ clay materials can be expected to provide natural low permeability layers to control seepage of on-lake ponds.
- the clays are suitable for embankment construction purposes, with adequate moisture control and borrow pit dewatering.
- A key advantage of Lake Way is the presence of a drier clay zone surrounding the Williamson Pit, which has the potential to provide borrow materials and construction schedule benefits for the upcoming pond construction programs.
Knight Piesold is now preparing an options study to evaluate design concepts for large-scale pond systems and provide earthworks quantities and costs. Seepage assessments and flood studies are underway. In parallel, design work is being undertaken for a dewatering pond to hold the Williamson Pit brine.
Surface Aquifer Characterisation
Lake Way and its surrounds have been the subject of a substantial amount of historical exploration for gold, nickel, uranium and other minerals, as well as for process water for mining operations. A total of over 2,800 holes have been drilled in and around the Lake previously, providing a very large database of geotechnical information.
SLP have commenced compiling, digitising and interpreting the historical exploration database to extract relevant data and provide initial basement geometry for the Lake area, to assist estimation of an initial JORC compliant resource.
The Company is also in the process of mobilising a small track-mounted drill rig and an amphibious excavator to complete an initial surface aquifer exploration program. This work will provide critical data for the hydrogeological model for the surface aquifer of the Lake, as well as geological and geotechnical information for infrastructure design and construction.
The surface aquifer program will include the construction of test pits and trenches for long-term pump testing.
The drill campaign is also intended to sterilise (for gold exploration) sufficient areas for siting brine extraction trenches and evaporation ponds.
Process Testwork
The Company has commenced a range of process development testwork to provide and validate inputs to the Lake Way Scoping Study production model. Naturally, this includes testing brines from the Lake itself, as well as the super-concentrated brines from the Williamson Pit.
The testwork aims to confirm the modelled brine evaporation pathways firstly under laboratory simulated conditions and then from a site-based trial of sufficient scale to test on-lake evaporation conditions.
Initial brine evaporation modelling, conducted by internationally renowned solar pond experts, Ad Infinitum, indicates the salts produced at Lake Way will be comparable to those produced at Lake Wells and therefore suitable for conversion into SOP.
International laboratory and testing company, Bureau Veritas (BV), has commenced a series of laboratory-scale brine evaporation trials at their Perth facility, under simulated average Lake Way climate conditions. The aim of the BV trials is to monitor the chemical composition of the brine and salts produced through the evaporation process to confirm:
-- Concentration thresholds in the brine chemistry which can be used to maximise the recovery of potassium in the harvest salts and minimise the quantity of dilutive salts fed to a process plant;
-- The quantity and composition of harvest salts which will for the plant feed in commercial production; and
-- The potential for any internal evaporation pond recycle streams that may improve harvest salt recovery.
Two tests - one for Williamson Pit brine and one for normal Lake Way brine - are currently underway, each evaporating 150kg of brine on a load cell to monitor evaporative loss. The temperature of the brine and air flow across the brine surface is controlled by using infra-red lamps and fans to simulate Lake Way average weather conditions.
A Site Evaporation Trial (SET), as successfully operated at Lake Wells previously, is under construction at Lake Way and will be filled with first brine over the next week. The SET will gather specific evaporation data on concentrated brines under actual conditions, providing refinements to the commercial scale pond modelling.
The Site Evaporation Trial is also designed to produce sufficient harvest salt for confirmatory process testwork and initial customer samples.
Competent Persons Statement
The information in this report that relates to Exploration Results, or Mineral Resources for Lake Way is based on information compiled by Mr Ben Jeuken, who is a member Australian Institute of Mining and Metallurgy. Mr Jeuken is employed by Groundwater Science Pty Ltd, an independent consulting company. Mr Jeuken has sufficient experience, which is relevant to the style of mineralisation and type of deposit under consideration and to the activity, which he is undertaking to qualify as a Competent Person as defined in the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Mr Jeuken consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.
Forward Looking Statements
This announcement may include forward-looking statements. These forward-looking statements are based on Salt Lake Potash Limited's expectations and beliefs concerning future events. Forward looking statements are necessarily subject to risks, uncertainties and other factors, many of which are outside the control of Salt Lake Potash Limited, which could cause actual results to differ materially from such statements. Salt Lake Potash Limited makes no undertaking to subsequently update or revise the forward-looking statements made in this announcement, to reflect the circumstances or events after the date of that announcement.
APPIX 1 - BRINE CHEMISTRY ANALYSIS
HOLE ID East North K Cl Na Ca Mg SO(4) TDS
--------- ------- --------
(mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA17 234302 7035685 6,090 101,600 63,100 664 5,450 24,200 202,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA14 234458 7035223 6,050 104,250 63,900 666 5,620 23,700 206,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA15 234099 7035031 4,770 80,250 48,900 779 4,550 19,600 161,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA10 235063 7034408 6,350 112,150 68,100 621 6,180 23,900 221,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA12 234299 7033837 6,550 115,700 68,600 574 6,690 25,300 228,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA08 234918 7033057 7,280 121,350 73,900 537 6,530 28,200 241,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA06 235652 7033571 6,910 128,050 78,600 528 7,000 25,500 249,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA03 235863 7032512 7,210 131,450 77,200 499 7,510 26,200 258,650
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA19 234752 7036712 6,030 113,600 67,600 591 7,010 25,700 225,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA29 231655 7036814 6,730 131,200 79,500 447 8,070 33,000 263,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA24 233715 7039225 6,100 130,850 75,000 536 8,650 25,300 253,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA31 233697 7037711 6,690 117,300 71,100 563 6,220 27,100 232,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA21 233742 7036709 5,960 110,250 65,000 610 6,150 23,300 216,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA02 236273 7032823 7,180 134,900 79,200 482 7,410 26,900 262,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
HA25 233868 7032968 6,810 126,800 76,500 519 7,160 26,300 248,000
--------- ------- -------- ------- -------- ------- ------- ------- ------- --------
Average 6,447 117,313 70,413 574 6,680 25,613 231,043
---------------------------- ------- -------- ------- ------- ------- ------- --------
APPIX 2 - JORC TABLE ONE
Section 1: Sampling Techniques and Data
Criteria JORC Code explanation Commentary
Sampling techniques Nature and quality of sampling (eg Brine samples were collected from
cut channels, random chips, or shallow pits dug into the lake
specific specialised industry surface to a depth of 0.5
standard measurement tools to 0.75m. Brine samples are composite
appropriate to the minerals under samples from the water that filled
investigation, such as down hole the pit after digging.
gamma sondes, or handheld XRF The material in the pit was
instruments, etc). These examples geologically logged as a composite
should not be taken as limiting qualitative description for
the broad meaning of sampling. the entire pit.
Include reference to measures taken
to ensure sample representivity and
the appropriate calibration
of any measurement tools or systems
used.
Aspects of the determination of
mineralisation that are Material to
the Public Report.
In cases where 'industry standard'
work has been done this would be
relatively simple (eg
'reverse circulation drilling was
used to obtain 1 m samples from which
3 kg was pulverised
to produce a 30 g charge for fire
assay'). In other cases more
explanation may be required,
such as where there is coarse gold
that has inherent sampling problems.
Unusual commodities
or mineralisation types (eg submarine
nodules) may warrant disclosure of
detailed information.
====================================== ====================================== ======================================
Drilling techniques Drill type (eg core, reverse Not applicable
circulation, open-hole hammer, rotary
air blast, auger, Bangka,
sonic, etc) and details (eg core
diameter, triple or standard tube,
depth of diamond tails,
face-sampling bit or other type,
whether core is oriented and if so,
by what method, etc).
Drill sample recovery Method of recording and assessing Not applicable
core and chip sample recoveries and
results assessed.
Measures taken to maximise sample
recovery and ensure representative
nature of the samples.
Whether a relationship exists between
sample recovery and grade and whether
sample bias may
have occurred due to preferential
loss/gain of fine/coarse material.
====================================== ====================================== ======================================
Logging Whether core and chip samples have All pits were geologically logged by
been geologically and geotechnically a qualified geologist, noting colour,
logged to a level induration, moisture
of detail to support appropriate content of sediments grain size
Mineral Resource estimation, mining distribution and lithology.
studies and metallurgical
studies.
Whether logging is qualitative or
quantitative in nature. Core (or
costean, channel, etc)
photography.
The total length and percentage of
the relevant intersections logged.
Sub-sampling techniques and sample If core, whether cut or sawn and Sample bottles are rinsed with brine
preparation whether quarter, half or all core which is discarded prior to sampling.
taken. All brine samples taken in the field
If non-core, whether riffled, tube are split into two sub-samples:
sampled, rotary split, etc and primary and duplicate.
whether sampled wet or dry. Reference samples were analysed at a
For all sample types, the nature, separate laboratory for QA/QC.
quality and appropriateness of the Representative chip trays and bulk
sample preparation technique. lithological samples are kept for
Quality control procedures adopted records.
for all sub-sampling stages to
maximise representivity
of samples.
Measures taken to ensure that the
sampling is representative of the in
situ material collected,
including for instance results for
field duplicate/second-half sampling.
Whether sample sizes are appropriate
to the grain size of the material
being sampled.
====================================== ====================================== ======================================
Quality of assay data and laboratory The nature, quality and Primary samples were sent to Bureau
tests appropriateness of the assaying and Veritas Minerals Laboratory, Perth.
laboratory procedures used and Brine samples were analysed using
whether the technique is considered ICP-AES for K, Na, Mg, Ca, with
partial or total. chloride determined by Mohr
For geophysical tools, spectrometers, titration and alkalinity determined
handheld XRF instruments, etc, the volumetrically. Sulphate was
parameters used in calculated from the ICP-AES
determining the analysis including sulphur analysis.
instrument make and model, reading
times, calibrations
factors applied and their derivation,
etc.
Nature of quality control procedures
adopted (eg standards, blanks,
duplicates, external laboratory
checks) and whether acceptable levels
of accuracy (ie lack of bias) and
precision have been
established.
Verification of sampling and assaying The verification of significant Data entry is done in the field to
intersections by either independent minimise transposition errors.
or alternative company Brine assay results are received from
personnel. the laboratory in digital format,
The use of twinned holes. these data sets are
Documentation of primary data, data subject to the quality control
entry procedures, data verification, described above. All laboratory
data storage (physical results are entered in to the
and electronic) protocols. company's database and validation
Discuss any adjustment to assay data. completed.
Independent verification of
significant intercepts was not
considered warranted given the
relatively consistent nature of the
brine.
====================================== ====================================== ======================================
Location of data points Accuracy and quality of surveys used Trench co-ordinates were captured
to locate drill holes (collar and using hand held GPS.
down-hole surveys), Coordinates were provided in GDA
trenches, mine workings and other 94_MGA Zone 51.
locations used in Mineral Resource Topographic control is obtained using
estimation. Geoscience Australia's 1-second
Specification of the grid system digital elevation product.
used.
Quality and adequacy of topographic
control.
Data spacing and distribution Data spacing for reporting of Data spacing is very wide and can
Exploration Results. only be considered to be
Whether the data spacing and reconnaissance level work.
distribution is sufficient to
establish the degree of geological
and grade continuity appropriate for
the Mineral Resource and Ore Reserve
estimation procedure(s)
and classifications applied.
Whether sample compositing has been
applied.
====================================== ====================================== ======================================
Orientation of data in relation to Whether the orientation of sampling Test pits were vertical. Geological
geological structure achieves unbiased sampling of structure is considered to be flat
possible structures and lying.
the extent to which this is known,
considering the deposit type.
If the relationship between the
drilling orientation and the
orientation of key mineralised
structures is considered to have
introduced a sampling bias, this
should be assessed and reported
if material.
Sample security The measures taken to ensure sample All brine samples were marked and
security. kept onsite before transport to the
laboratory.
All remaining sample and duplicates
are stored in the Perth office in
climate-controlled conditions.
Chain of Custody system is
maintained.
====================================== ====================================== ======================================
Audits or reviews The results of any audits or reviews Data review is summarised in Quality
of sampling techniques and data. of assay data, laboratory tests and
Verification of sampling
and assaying. No audits were
undertaken.
====================================== ====================================== ======================================
Section 2: Reporting of Exploration Results
Criteria JORC Code explanation Commentary
Mineral tenement and land tenure Type, reference name/number, location Tenement sampled 53/1878 in Western
status and ownership including agreements or Australia.
material issues Exploration Licenses are held by
with third parties such as joint Piper Preston Pty Ltd (fully owned
ventures, partnerships, overriding subsidiary of ASLP).
royalties, native title
interests, historical sites,
wilderness or national park and
environmental settings.
The security of the tenure held at
the time of reporting along with any
known impediments
to obtaining a licence to operate in
the area.
====================================== ====================================== ======================================
Exploration done by other parties Acknowledgment and appraisal of Addressed in the announcement.
exploration by other parties.
Geology Deposit type, geological setting and Salt Lake Brine Deposit
style of mineralisation.
====================================== ====================================== ======================================
Drill hole Information A summary of all information Hand dug pits as described above and
material to the understanding of presented in the announcement.
the exploration results including
a tabulation of the following
information for all Material
drill holes:
o easting and northing of the
drill hole collar
o elevation or RL (Reduced Level
- elevation above sea level in
metres) of the drill hole
collar
o dip and azimuth of the hole
o down hole length and
interception depth
o hole length.
If the exclusion of this
information is justified on the
basis that the information is not
Material and this exclusion does
not detract from the
understanding of the report, the
Competent
Person should clearly explain why
this is the case.
Data aggregation methods In reporting Exploration Results, Within the salt lake extent no low
weighting averaging techniques, grade cut-off or high grade capping
maximum and/or minimum grade has been implemented.
truncations (eg cutting of high
grades) and cut-off grades are
usually Material and should
be stated.
Where aggregate intercepts
incorporate short lengths of high
grade results and longer lengths
of low grade results, the procedure
used for such aggregation should be
stated and some typical
examples of such aggregations should
be shown in detail.
The assumptions used for any
reporting of metal equivalent values
should be clearly stated.
====================================== ====================================== ======================================
Relationship between mineralisation These relationships are particularly Not applicable
widths and intercept lengths important in the reporting of
Exploration Results.
If the geometry of the mineralisation
with respect to the drill hole angle
is known, its nature
should be reported.
If it is not known and only the down
hole lengths are reported, there
should be a clear statement
to this effect (eg 'down hole length,
true width not known').
Diagrams Appropriate maps and sections (with Addressed in the announcement.
scales) and tabulations of intercepts
should be included
for any significant discovery being
reported These should include, but
not be limited to a
plan view of drill hole collar
locations and appropriate sectional
views.
====================================== ====================================== ======================================
Balanced reporting Where comprehensive reporting of all All results have been included.
Exploration Results is not
practicable, representative
reporting of both low and high grades
and/or widths should be practiced to
avoid misleading
reporting of Exploration Results.
Other substantive exploration data Other exploration data, if meaningful Addressed in the announcement.
and material, should be reported
including (but not
limited to): geological observations;
geophysical survey results;
geochemical survey results;
bulk samples - size and method of
treatment; metallurgical test
results; bulk density, groundwater,
geotechnical and rock
characteristics; potential
deleterious or contaminating
substances.
====================================== ====================================== ======================================
Further work The nature and scale of planned Further sampling and drilling to
further work (eg tests for lateral assess the occurrence of brine at
extensions or depth extensions depth.
or large-scale step-out drilling). Closer spaced, more evenly distribute
Diagrams clearly highlighting the drilling, particularly to define the
areas of possible extensions, thickness of the
including the main geological LPS unit.
interpretations and future drilling Hydraulic testing be undertaken, for
areas, provided this information is instance pumping tests from bores
not commercially sensitive. and/or trenches to
determine, aquifer properties,
expected production rates and
infrastructure design (trench
and bore size and spacing).
Lake recharge dynamics be studied to
determine the lake water balance and
subsequent production
water balance. For instance
simultaneous data recording of
rainfall and subsurface brine level
fluctuations to understand the
relationship between rainfall and
lake recharge, and hence
the brine recharge dynamics of the
Lake.
Study of the potential solid phase
soluble or exchangeable potassium
resource.
====================================== ====================================== ======================================
For further information please visit www.saltlakepotash.com.au or contact:
Matt Syme/Sam Cordin Salt Lake Potash Limited Tel: +61 8 9322 6322 Jo Battershill Salt Lake Potash Limited Tel: +44 (0) 20 7478 3900 Colin Aaronson/Richard Tonthat Grant Thornton UK LLP (Nominated Adviser) Tel: +44 (0) 20 7383 5100 Derrick Lee/Beth McKiernan Cenkos Securities plc (Joint Broker) Tel: +44 (0) 131 220 6939 Jerry Keen/Toby Gibbs Shore Capital (Joint broker) Tel: +44 (0) 20 7468 7967
The information contained within this announcement is deemed to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014. Upon the publication of this announcement, this inside information is now considered to be in the public domain.
This information is provided by RNS
The company news service from the London Stock Exchange
END
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