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| Share Name | Share Symbol | Market | Type | Share ISIN | Share Description |
|---|---|---|---|---|---|
| Greenx Metals Limited | LSE:GRX | London | Ordinary Share | AU0000198939 | ORD NPV (DI) |
| Price Change | % Change | Share Price | Bid Price | Offer Price | High Price | Low Price | Open Price | Shares Traded | Last Trade | |
|---|---|---|---|---|---|---|---|---|---|---|
| -0.20 | -0.43% | 46.00 | 45.00 | 47.00 | 46.20 | 46.00 | 46.20 | 0.00 | 16:22:05 |
| Industry Sector | Turnover | Profit | EPS - Basic | PE Ratio | Market Cap |
|---|---|---|---|---|---|
| Investors, Nec | 5.02M | -3.53M | -0.0154 | -58.44 | 205.52M |
TIDMGRX
RNS Number : 0361Z
GreenX Metals Limited
20 January 2022
greenx metals limited
NEWS RELEASE 20 JANUARY 2022
New Copper Targets Identified at ARC
-- Latest analysis identifies new "walk-up" native copper and copper sulphide targets for the upcoming field program
-- New priority, walk-up, at-surface target identified along the Knuth Fault which is a Discovery Zone "lookalike" feature
-- Two additional exposures of native copper mineralisation identified from recently unearthed historical documentation at Neergaard Dal
-- Recent structural geology review reinforces evidence of a large-scale mineral system and regional fertility related to identified faults
-- Exploration targeting and efficiency of upcoming field programs greatly improved through enhanced geological understanding of ARC
GreenX Metals Limited (GreenX or the Company) is pleased to report the findings from ongoing geological analysis at the Arctic Rift Copper Project (ARC or ARC Project). The latest analysis identifies new "walk-up" native copper and copper sulphide targets for the upcoming field program.
GreenX in collaboration with its joint venture (JV) partner Greenfields Exploration Ltd (GEX) has advanced its understanding of ARC in northern Greenland. A recent structural geology report describes for the first-time structural features that are tied to the widespread copper sulphide and native copper mineralisation. In addition, an ongoing review of historical notes and data has identified a location containing two types of native copper mineralisation that further strengthens the ARC's analogy with the economically significant Keweenaw Peninsula in Michigan, USA, which contained a total pre-mined endowment of 16 Mt of copper.
This validates the JV's geological modelling on ARC and provides multiple new targets for sampling during the upcoming field season.
Mr Stoikovich, Chief Executive Officer of GreenX Metals said: "The latest supporting evidence for extensive and intense copper mineralisation in an entirely new province is very exciting. This true first-mover opportunity has tremendous potential for multiple major new copper discoveries."
Dr Bell, Project Leader said: "Our low-cost mineral system analysis program continues to gain momentum. The concepts for the new province are rapidly gaining supporting evidence and the precision of our targeting is increasing markedly. This greatly improves the efficiency of our upcoming field programs."
Structural Geology Review
A structural review of the currently available datasets of ARC's geology was recently conducted by specialist consultant Dr Mark Munro(1) . It was confirmed that the known copper mineralisation, including the native copper and Discovery Zone copper sulphides, is associated with reverse faults. Reverse faults are considered to be an important structural control on mineralisation at ARC, with the recent study both extending the known reverse faults with associated mineralisation and identifying new reverse faults.
Dr Munro holds a PhD in Structural and Metamorphic Geology from James Cook University. As a three-year post-doctoral researcher at the University of Western Australia he studied the mineralisation, alteration, and structure of deposits. In addition to his considerable field and structural knowledge, he is a 3D modeler and has global experience with precious and base metal projects. Following a position as a mapper with the Geological Survey of Western Australia, Dr Munro has spent four years working as an applied structural geologist for industry. He engages in the structural logging of drill core, in addition to both surface and underground mapping, with view to understanding the multi-scale aspects of deposit generation.
Eigil Reverse Fault
Reverse faults are associated with the Discovery Zone copper sulphides, from which high-grade results have previously been reported (GreenX press release, dated 6(th) October, 2021). This set of faulting is now known as Eigil. The Discovery Zone includes 4.5m grading 2.15% Cu and 35.5 g/t Ag (true width, Chip Line #7); and samples from the 3m long Trench #1 grading 5.28% Cu and 112 g/t Ag and 3.55% Cu and 263g/t Ag. (GreenX press release, dated 6 October, 2021). This at-surface copper sulphide mineralisation is known to have a strike extent of more than 2 km trending beneath the shallow cover of the valley.
The review by Dr Mark Munro has identified the Eigil reverse fault, an extension of the Discovery Zone, that trends to the northwest into Independence Fjord. This demonstrates known mineralised structures intersecting the Zig-Zag flood basalts, and further strengthens the ARC's analogy with the prolific and economically significant Keweenaw Peninsula. At this analogy in Michigan, the mineralised reverse faults are the fluid transport conduits for the strata bound native copper deposition in flood basalts, and copper sulphides in the overlying sediments. The Keweenaw Peninsula contained a pre-mining endowment of +7 Mt of copper contained in sulphides and 8.9 Mt of native copper.
Knuth Fault
A second subparallel, northwest-trending reverse fault known as Knuth, is located 7 km to the southwest of Eigil. The Knuth Fault shows similar reverse motion and has never been sampled and represents an entirely new, easily tested zone that is highly prospective for copper mineralisation. Conceptually, Knuth has a similar strike extent to that of Discovery Zone, creating the potential for a new area of high-grade mineralisation.
Valley Fault
A third reverse fault is identified 15 km southwest of Knuth. The JV partners' extrapolation of this fault has it trending towards the Neergaard Dal native copper occurrence. At this occurrence in 1979, Government geologists found native copper clasts in scree below a cliff face with breccia-hosted and basalt-hosted copper mineralisation.
A new feature identified by Dr Munro is a fault that roughly trends north-south to NNE-SSW striking (defined by the Neergaard Valley) with indications of a west-side-up, east-side-down movement. The Valley Fault may also have a reverse movement given the compression from an ancient mountain building event to the east. Both native copper and copper sulphides are known to occur at the confluence of the Valley Fault and the younger orthogonal reverse faults(2) .
These observations are important as they reduce the number of faults to be examined and provide targets that can quickly be evaluated in the field. Consequently, the search space and hence exploration costs have been reduced, and timelines shortened.
Historical Data Secured - New Native Copper OccurRences Identified
The JV has secured digitised notebooks from the Government's reconnaissance field work that was performed in the area in 1979 and 1980. Valuable new information about sites of native copper was gained from translating these notebooks. Despite being very brief, the field work identified numerous examples of native copper in association with the basalt rocks in Neergaard Valley, the main north-south oriented feature of the Minik Anomaly (GreenX press release dated 6 October 2021).
What is particularly striking is that in the centre of this anomaly there is a historical description of native copper occurring in both breccias (fissures) and gas-cavities occurring near one another. At the Keweenaw Peninsula, native copper specimens weighing over 500 tonnes were mined from fissures and underpinned the original 'gold'-rush. However, it was the copper found in gas-cavities within the flood basalts that underpinned much of the 99-year mining history of the district. The historical description of fissure copper next to cavity-hosted copper within ARC adds strong support to the Keweenaw analogy as well as evidence of a vigorous (favourable), breccia inducing mineralisation event. The JV partners will investigate this site as a matter of priority during the 2022 field program.
Regional Developments
During early December 2021, Ironbark Zinc (ASX:IBG) announced that it secured a Preliminary Project Letter approval for a US$657m loan from the US Government's EXIM Bank for the development of Ironbark's Citronen lead-zinc project. The Citronen project is located approximately 150 km further north than ARC. The loan, if approved, will mean that the United States is financing most of the cost of developing the strategically important Citronen project. This project will include the construction of an airstrip and port at Citronen, which may provide infrastructure support for a future development at ARC.
Greenland has been increasingly recognised as one of the last great mineral frontiers, with interest from leading miners and commodities houses including Anglo American, Glencore, Trafigura, and IGO. More recently, major foreign governments have also stepped in to support and finance mineral development projects. The Australian Financial Review reported that Greenland 'has found itself in the middle of a geopolitical great game', with the funding for Citronen '[surfing] a wave of geopolitical project funding' in the Arctic region. The United States and the European Union are now all making concrete moves to finance mineral projects in Greenland.
ABOUT THE ARCTIC RIFT COPPER PROJECT
The Arctic Rift Copper Project is an exploration joint venture between GreenX and GEX. GRX can earn 80% of ARC by spending A$10 M by October 2026. The ARC Project is targeting large scale copper in multiple settings across a 5,774 km(2) Special Exploration Licence in eastern North Greenland. The area has been historically underexplored yet is prospective for copper, forming part of the newly identified Kiffaanngissuseq metallogenic province. This province is thought to be analogous to the Keweenaw Peninsula of Michigan, USA, which contained a pre-mining endowment of +7 Mt of copper contained in sulphides and 8.9 Mt of native copper. Like Keweenaw, ARC is known to contain at surface, high-grade copper sulphides, 'fissure' native copper, and native copper contained in what were formerly gas bubbles and layers between lava flows.
-S-
Competent Persons Statement
Information in this announcement that relates to Exploration Results is based on information compiled by Dr Jonathan Bell, a Competent Person who is a member of the Australian Institute of Geoscientists (AIG). Dr Bell is the Managing Director of Greenfields Exploration Limited and holds an indirect interest in performance rights in Prairie. Dr Bell has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken, 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'. Dr Bell consents to the inclusion in this announcement of the matters based on his information in the form and context in which it appears.
To view this announcement in full, including all illustrations and figures, please refer to www.greenxmetals.com .
References
(1) Munro, Mark (2021). "Structural Review of the Arctic Rift Copper Project, Greenland", Munro Geoscience Pty Ltd
(2) While available data highlights reverse components along a number of the Northwest-trending faults, key exposures suggest that some record extensional (normal) activation. This suggests a history of potential reactivation.
Hot Features
Premium
JORC Table 1, section 2: Reporting of Exploration Results
------------------------------------------------------------------
Criteria Arctic
Rift
Copper
project
Mineral The
tenement Arctic
and Rift
land Copper
tenure project
status ('ARC')
comprises
a
single
Special
Exploration
Licence
('MEL-S'
2021-07).
The
spatial
area
of
the
application
is
5,774km(2)
,
the
boundary
of
which
is
defined
by
the
points:
82deg3'N,
29deg18'W
81deg35'N,
26deg8'W
82deg3'N,
25deg41'W
81deg30'N,
26deg8'W
82deg0'N,
25deg41'W
81deg30'N,
26deg54'W
82deg0'N,
25deg43'W
81deg25'N,
26deg54'W
81deg59'N,
25deg43'W
81deg25'N,
28deg20'W
81deg59'N,
25deg44'W
81deg21'N,
28deg20'W
81deg58'N,
25deg44'W
81deg21'N,
29deg35'W
81deg58'N,
25deg46'W
81deg19'N,
29deg35'W
81deg56'N,
25deg46'W
81deg19'N,
31deg0'W
81deg56'N,
25deg48'W
81deg27'N,
31deg0'W
81deg55'N,
25deg48'W
81deg27'N,
31deg42'W
81deg55'N,
25deg50'W
81deg34'N,
31deg42'W
81deg53'N,
25deg50'W
81deg34'N,
32deg7'W
81deg53'N,
25deg52'W
81deg51'N,
32deg7'W
81deg50'N,
25deg52'W
81deg51'N,
31deg0'W
81deg50'N,
25deg54'W
81deg54'N,
31deg0'W
81deg46'N,
25deg54'W
81deg54'N,
30deg18'W
81deg46'N,
25deg55'W
81deg58'N,
30deg18'W
81deg35'N,
25deg55'W
81deg58'N,
29deg18'W
An
MEL-S
confers
an
exclusive
right
to
explore
for
mineral
for
three
years
at
a
reduced
holding
cost,
provided
each
licence
covers
more
than
1,000km(2)
.
After
three
years,
the
holder
of
Special
Exploration
Licence
has
the
right
to
convert
the
area,
whole
or
in
part,
to
conventional
Exploration
Licences.
Due
to
the
Coronavirus
pandemic,
all
licence
obligation
in
Greenland
have
been
paused
until
the
end
of
2021,
such
that
the
MEL-S
can
convert
to
a
normal
licence
at
the
end
of
2024.
The
minimum
expenditure
obligation
for
a
MEL-S
is
DKK500/km(2)
indexed
to
Danish
CPI
as
of
January
1992.
The
GEX
estimates
the
expenditure
requirement
will
be
approximately
AUD1,080,000
per
annum.
However,
the
Government
has
waived
all
expenditure
obligations
for
2020
and
2021,
and
as
such,
no
holding
cost
of
the
licence
will
crystallise
until
31
December
2022.
The
obligation
for
2022
will
be
calculated
on
1
January
2023
based
on
the
area
under
licence
on
a
preceding
day.
Expenditure
above
the
minimum
regulatory
requirement
is
carried
forward
for
a
maximum
of
three
years.
ARC
is
in
good
standing.
There
are
no
third-party
royalties
or
other
rights
relating
to
ARC.
Exploration North
done Greenland
by was
other first
parties commercially
explored
in
1969
and
1972,
which
identified
native
copper
and
copper
sulphides
in
eastern
North
Greenland.
It
wasn't
until
1979
and
1980
that
more
substantive
work
was
performed,
this
time
by
the
Government.
ARC
was
subject
to
commercial
exploration
by
Avannaa
Resources
Limited
('Avannaa')
in
2010
and
2011.
In
its
first
year,
Avannaa
focussed
its
work
in
a
small
area
in
the
northern
part
of
the
licence
area
known
as
Neergaard
North.
This
work
focussed
on
historical
Government
and
academic
work
that
had
identified
highly
anomalous
copper
mineralisation.
In
2010,
the
work
included
geochemical
soil
sampling,
rock
chipping
and
trenching
of
high-grade
material
associated
with
a
NW-SE
trending
fault
breccias.
Based
on
the
success
of
the
2010
program,
Avannaa
undertook
a
much
larger
regional
reconnaissance
program
in
2011.
This
program
involved
a
heli-supported
geochemical
sampling
program
over
a
large
area
designed
to
test
the
copper
prospectivity
of
various
stratigraphic
positions,
as
well
as
extending
the
length
of
the
'Discovery
Zone'
identified
in
2010.
Both
aspects
of
this
program
were
successful
in
that
the
Discovery
Zone
was
shown
to
have
a
minimum
strike
length
of
2km
before
disappearing
undercover;
and
that
certain
stratigraphic
horizons
show
copper
anomalism
over
a
significant
lateral
extent.
However,
much
of
the
extended
area
explored
by
Avannaa
was
located
to
the
southeast
of
the
ARC
and
is
now
located
in
a
Government-mandated
no-go
zone
for
mineral
exploration.
Geology
ARC
contains
a
sequence
of
Mesoproterozoic-aged
sediments
sandstones
belonging
to
the
Independence
Fjord
Basin
that
have
been
intruded
by
highly
altered
dolerites
and
overlain
by
1.2km
of
Mesoproterozoic-aged
flood
basalts
('Zig-Zag
Fm'
basalts).
In
turn,
the
basalts
are
overlain
by
1.1km
of
Neoproterozoic-aged
(1,000M
to
541M
years
ago)
clastic
and
carbonate
sediments
belonging
to
the
Hagen
Fjord
Group.
The
lower
portion
of
the
Hagen
Fjord
Group
is
dominated
by
sandstones
and
siltstones,
and
the
upper
part
by
limestone
and
dolomites.
Based
on
stream
sediment
samples,
the
iron
oxide
minerals
switch
from
magnetite
to
the
east
of
ARC,
to
haematite
within
ARC,
which
reflects
a
change
in
fluid
oxidation
state
(from
reduced
to
oxidised).
Fluid
flow
is
from
east
to
west
which
implies
that
oxidation
is
a
component
of
the
copper
dropping
out
of
solution.
The
oxidation
of
a
reduced
fluid
is
consistent
with
the
chemistry
required
to
form
native
copper
such
as
that
observed
in
ARC.
The
metamorphic
grade
of
the
Zig-Zag
Fm
basalts
is
of
the
zeolite
facies,
and
the
Hagen
Fjord
Group
sediments
show
lower
grade
metamorphism.
There
is
adequate
preservation
aside
from
mechanical
erosion.
Commercially
interesting
copper
mineralisation
occurs
in
both
the
basalts
and
Hagen
Fjord
Group
sediments.
The
basalts
are
known
to
contain
in
situ
native
copper,
and
native
copper
is
found
extensively
in
the
surrounding
drainage
systems.
Significantly,
the
native
copper
specimens
recovered
by
the
Government
in
1979,
and
by
Avannaa
in
2010
measured
17cm
and
weighed
up
to
1kg
respectively.
These
large
native
copper
specimens
are
thought
to
originate
from
amygdales
(gas
voids)
in
the
basalt,
although
native
copper
occurring
in
faults
is
also
known
to
occur
within
ARC.
Greenfields
considers
that
the
age,
setting,
and
mineral
composition
makes
the
Zig-Zag
Fm
copper
analogous
to
the
copper
deposits
of
the
Michigan
Upper
(Keweenaw)
Peninsula,
and
a
primary
source
of
copper
for
the
anomalies
reported
in
the
overlying
sediments.
The
fault
breccias
that
transect
the
basalts
and
Neoproterozoic
sediments
are
interpreted
by
the
Company
to
represent
fluid
pathways
as
there
are
zones
of
intense
potassium
alteration
within
the
surrounding
quartz
dominated
sedimentary
rocks.
These
breccias,
which
are
up
to
25m
wide,
show
copper
mineralisation.
The
chalcocite
and
chalcopyrite
copper-bearing
minerals
are
significant
as
they
demonstrate
that
sulphur
has
been
added
into
a
previously
sulphur-undersaturated
system.
A
source
of
sulphur
is
generally
considered
an
important
factor
in
the
sediment-hosted
copper
'deposit
model'.
Other
important
components
of
the
deposit
model
are
also
reported,
including
pseudomorphed
gypsum
(a
source
of
sulphur,
and
copper
mobilising
salts),
hydrogeologic
seals,
and
contrasting
oxidation
states.
Copper
sulphides
occur
in
the
predicted
geological
lithological
settings.
The
highest
copper
grades
are
close
to
geophysical
gravity,
magnetic
and
electromagnetic
anomalies.
The
640
km(2)
area
of
geophysical
and
geochemical
anomalism
is
dubbed
the
Minik
Anomaly
(or
'Singularity'
in
the
supporting
Technical
Assessment
Report)
The
age
of
the
known
mineralisation
concerns
at
least
two
episodes.
The
Company
identifies
the
Elzevirian
Orogeny
(c.
1,250Ma)
as
the
likely
event
associated
with
the
native
copper
mineralisation
in
the
basalts.
However,
the
Neoproterozoic-aged
sediment-hosted
copper
sulphides
demonstrate
that
there
was
a
second
mineralising
event
associated
with
the
waning
Caledonian
Orogeny
(c.
390
to
380
Ma)
The
Elzevirian
and
Caledonian
orogenies
have
a
similar
orientation.
The
c.
385
maximum
age
is
supported
by
the
absence
of
mineralisation
known
to
younger
than
the
Silurian
Period
(443.8
Ma
to
419.2
Ma).
The
Silurian
is
associated
with
the
formation
of
the
Citronen
zinc
deposit,
currently
licenced
by
Ironbark
Zinc
Ltd.
Greenfields
considers
Citronen
and
ARC's
copper
sulphides
to
have
formed
due
to
the
same
event.
The
known
copper
and
zinc,
combined
with
a
Greenfields
interpreted
geological
history,
geochronology,
and
hydrothermal
fluid
temperatures,
to
define
the
+60,000km(2)
Kiffaanngissuseq
Metallogenic
Province.
The
basal
flows
of
the
Zig-Zag
Fm
basalts
show
a
marked
depletion
in
nickel.
Such
a
depletion
suggests
that
the
nickel
may
have
been
deposited
into
sulphides
and
conceptually,
as
nickel
sulphide
deposit.
There
has
been
no
effective
commercial
work
on
testing
the
nickel
sulphide
potential.
Pentlandite,
a
nickel-bearing
sulphide,
is
observed
in
at
least
one
of
the
intrusions
beneath
the
basalts.
There
is
no
other
evidence
upon
which
the
nickel-sulphide
prospectivity
can
be
evaluated
at
this
stage.
The
known
copper
mineralisation,
both
sulphide
and
native,
appears
to
have
a
structural
control.
An
independent
structural
geologist,
Dr
Mark
Munro,
conducted
a
review
of
ARC
and
confirmed
that
in
an
area
otherwise
dominated
by
normal
faulting,
the
there
is
clear
evidence
of
reverse
faulting
which
GEX
observes
to
correlate
with
the
known
mineralisation.
This
review
was
based
on
satellite
imagery,
as
well
as
oblique
photography
of
the
fjords
taken
in
1979/1980.
Dr
Munro's
review
also
included
GEX's
revised
lithological
and
structural
mapping
based
on
the
same
data,
and
largely
concurred
with
GEX's
interpretation
relative
to
the
historical
mapping.
This
reverse
faulting
does
not
appear
to
have
been
previously
reported
in
the
literature.
Furthermore,
and
new
to
GEX's
understanding
was
that
Dr
Munro
identified
that
Neergaard
Valley
('Dal'
in
Danish)
as
being
a
fault
with
a
west
side
up
motion,
possibly
in
a
shortening
motion.
At
the
analogous
Keweenaw
Peninsula,
reverse
faulting
is
considered
a
primary
control
on
copper
mineralisation,
and
it
closely
associated
with
both
the
native
copper
and
copper
sulphides
in
Michigan.
An
interactive
Government
portal
that
contains
the
geology,
and
supporting
reports
can
be
accessed
via:
http://www.greenmin.gl/home.seam
.
A
fully
referenced
Technical
Assessment
Report
on
ARC,
can
be
accessed
at
http://dx.doi.org/10.13140/RG.2.2.18610.84161
.
Drill No
hole drilling
information has
ever
occurred
within
the
ARC
or
in
the
surrounding
area.
Data All
aggregation historical
methods assay
results
presented
in
this
release
are
based
on
those
published
by
third
parties.
Greenfields
has
made
a
point
of
reporting
the
weighted-averages
and
has
avoided
individual
high-grade
results
that
may
not
be
representative
of
the
mineral
system.
No
bottom-
or
top-cuts
have
been
applied.
No
metal
equivalent
calculations
have
been
performed.
The
Relationship reported
between historical
mineralisation trenching
width and
and channelling
intercept results
lengths. are
presented
on
both
'as
is'
sub-perpendicular
intersection,
and
where
available
estimates
are
available,
true-width
basis.
Accompanying
statements
accompany
all
true-width
estimates.
No
sub-parallel
or
parallel
sample
intervals
were
collected
or
disclosed.
These
results
are
disclosed
in
GRX's
news
release
dated
6
October
2021.
Diagrams All
relevant
maps
are
presented
in
the
main
body
of
this
document,
with
additional
tables
and
figures
available
in
the
Technical
Assessment
Report
and
the
GRX
news
release
dated
6
October
2021.
Balanced Greenfields
reporting has
sourced
and
reasonably
presented
the
relevant
results,
where
available.
The
reader
is
cautioned
that
geochemical
rock
chip
samples,
by
their
nature,
are
not
representative
samples.
Geochemical
rock
chip
samples
are
erratically
collected,
lack
scale
and
design.
Geochemical
results
must
be
viewed
as
empirical
evidence
of
anomalism,
and
not
as
a
representative
indication
of
mineralisation.
Furthermore,
due
to
the
historical
nature
of
the
samples,
it
is
not
possible
at
the
time
of
publication,
to
perform
checks
and
balances
on
the
numbers
quoted
in
the
literature.
Other In
substantive 1998,
exploration the
data Government
conducted
an
airborne
electromagnetic
survey
in
the
north
of
the
ARC.
The
flight
lines
were
carried
out
at
an
altitude
of
120m
above
ground
on
a
400m
line
spacing.
The
geophysical
data
is
freely
available
on
the
Government
portal.
Sediment-hosted
copper
typically
does
not
respond
to
most
geophysical
methods
and
as
such,
the
data
is
not
suited
to
direct-detection.
The
only
exception
is
3D
induced
polarisation
methods
that
have
not
been
conducted
in
ARC.
However,
Greenfields
identifies
that
the
magnetic
anomaly
is
coincident
with
a
gravity
anomaly
and
interprets
this
signature
to
represent
an
iron-enriched
hydrothermal
footprint.
Native
copper
and
copper
sulphides
occur
within
this
anomaly.
No
bulk
density,
geotechnical,
metallurgical,
rock
characterisation,
or
groundwater
analysis
has
been
performed.
Greenfields
is
unaware
of
any
deleterious
or
contaminating
substances
associated
with
the
known
mineralisation.
Further Despite
work the
highly
encouraging
results
and
strong
indications
of
a
large
mineral
system,
the
ARC
is
at
an
early
stage
of
exploration.
Greenfields
has
tightly
constrained
the
main
mineralising
events,
but
currently
only
2D
data
are
available.
Obtaining
3D
data
down
to
the
basement
of
the
basins
will
help
in
modelling
the
movement
of
metal
rich
fluids.
Due
to
the
extensive
outcrop,
high-quality
rock
sampling
is
recommended
to
provide
a
baseline
geochemical
profile
in
addition
to
quantifying
the
copper-silver
grade
of
the
samples.
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