Alba Mineral Resrcs. - Investee Company Update: GreenRoc Mining plc
Released
Released
Announcement PDF
RNS Number : 7258R
Alba Mineral Resources PLC
09 November 2021
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Alba Mineral Resources plc
("Alba" or the "Company")
Investee Company Update: GreenRoc Mining plc
Alba Mineral Resources plc (AIM: ALBA) is pleased to note the announcement today by its
portfolio company, GreenRoc Mining plc ("GreenRoc") (AIM: GROC), in which Alba holds a
54% interest. This has confirmed and extended the substantial zones of mineralisation at
GreenRoc's Kalaaq Deposit, located on the Greenlandic mainland and due south of its
100% owned Amitsoq Graphite Project, which is one of the highest-grade graphite
projects globally.
Alba's Executive Chairman, George Frangeskides, commented:
"We are very pleased to see the progress which has been made at the Kalaaq Deposit this
summer. The Amitsoq Project is blessed by having not one, but two, high-grade graphite
deposits, one on Amitsoq Island and the other, Kalaaq, on the mainland section of
GreenRoc's licence. With the Amitsoq Island deposit, site of the former graphite mine,
having been drilled this summer, the advances made at Kalaaq this year provide
significant impetus to a maiden drilling programme being undertaken there also in the
near future."
The announcement by GreenRoc is set out below without material changes:
GreenRoc Mining plc
("GreenRoc" or the "Company")
Amitsoq Project Update
Significant Graphite Extensions Identified at Kalaaq Deposit
GreenRoc Mining plc (AIM: GROC), the AIM-quoted company developing mining projects
in Greenland in critical minerals, is pleased to provide results from the field programme at
the Kalaaq Deposit, part of the Amitsoq Graphite Project, undertaken between July and
August 2021.
Key Points
·
Substantial zones of mineralisation confirmed and extended at the Kalaaq Deposit,
located on the Greenlandic mainland and due south of the Company's 100% owned
Amitsoq Graphite Project, one of the highest-grade graphite projects globally.
·
New zones of mineralisation have been discovered, and greater confidence in the
continuity of the previously identified zones achieved through channel sampling, grab
sampling and beep mat surveys.
·
The projection of the Upper Graphite Zone (UGZ) that was identified in 2017 has been
extended 360m to the south and is open along strike.
·
The Lower Graphite Bed has been extended 300m along strike to the north where
values of up to 33.1 C(g)% have been recorded.
·
The newly discovered Niels Hede Pedersen (NHP) Zone has now extended the
identified graphite mineralisation of the BLZ Zone a further 1.3km and again is open
on strike.
·
A potential new area, termed the New Domain Zone (NDZ), with a grab sample grade
of 32.1 C(g)%, has been identified 1km to the south-east of the current Exploration
Target Boundary and a further 540m along strike from the graphite horizon mapped
during the 2017 campaign. This sample indicates the potential for an additional
mineralised graphite zone outside the primary target zones on the western side of the
Kalaaq Deposit.
GreenRoc's CEO, Kirk Adams, commented: "This summer's campaign at the Kalaaq
Deposit has been highly successful in extending the strike lengths of the known mineralised
zones, discovering new zones of mineralisation, and identifying high grade samples outside of
the Exploration Target area. The assay values from the sampling programme range from 17.43
to 33.1 C(g)% and this confirms our faith that this is an extensive high-grade graphite area.
"The extensions we have identified outside the current Exploration Target area, which was based
on the 2017 geological mapping and sampling programme, are particularly exciting as they
indicate significant additional potential. This field campaign gives GreenRoc the platform to
design a drilling programme which will target the identification of the third dimension of the
mineralised zones that have been now brought into focus by this year's fieldwork."
Details
During July and August 2021 field exploration was conducted at the Kalaaq Graphite
Deposit ("Kalaaq") to sample mapped graphite horizons that had been identified in
previous field campaigns, and to explore the wider area for new discoveries.
Exploration work consisted of field mapping, trenching, channel sampling, grab sampling
and electromagnetic (EM) surveys using a portable beep mat. Beep mat results are still
being processed and will be reported when received.
Trenching and channel sampling was done at five locations: the Boat Landing Zone (BLZ),
Upper Graphite Zone (UGZ), Upper Graphite Zone (UGZ) Continuation, Niels Hede
Pedersen (NHP) Zone and the Shore Lens.
Mechanical saw channel sampling was undertaken using a water-cooled Stihl TS 350 with a
350mm (12") diamond blade. The process of sampling involved marking of the mapped
occurrence and then making two parallel cuts, with a spacing of approximately 5cm and a
depth of 5-10cm, thereby creating a channel sample approximately equally in size to NQ
drill core.
Table 1. 2021 results of channel sampling and grab sampling at the Kalaaq Deposit.
Target Zone
Type
Interval
C (g) %
True
(m)
Shore Lens
Thickness
(m)
Channel
2.1 (0 - 2.1)
22.25
~1.4
Shore Lens
Continuation
Upper
Graphite Zone
('UGZ')
UGZ
Continuation
Grab
N/A
26.40
N/A
Channel
4.0 (0 - 4)
24.30
~4.0
Channel
5.0 (0 - 5)
23.15
~5.0
NHP Zone
Channel
4.0 (0 - 4)
17.43
~4.0
Boat Landing
Zone A
Boat Landing
Zone B
Graphite
Valley
New Domain
Zone
NHP North
Zone
Channel
Channel
Channel
5.4 (0.2 5.6)
1.1 (8.1 9.2)
4.3 (0.1 4.4)
27.35
N/A
33.10
29.61
N/A
Grab
N/A
25.00
N/A
Grab
N/A
32.10
N/A
Grab
N/A
22.60
N/A
Boat Landing Zone (BLZ)
Two parallel trenches (A and B) 15 m apart were excavated by hand and subsequently
channel sampled. In Trench A, the graphite layer was exposed over 0.2 - 5.6m and 8.1 9.2m from surface. From 5.6 - 8.1m and past 9.2m from surface the overburden was too
deep to clear, however due to the greater conductivity of the graphite horizons relative to
the paragneiss host rock, beep mat anomalies were noted over the covered zones to 11.8
metres. In Trench B, the graphite layer was exposed over 0.1 - 4.4 m from surface. At 4.4
m, the graphite layer disappears under thick cover, but beep mat anomalies beyond 4.4m
were recorded.
The graphite content of the BLZ reaffirms the high-grade nature of the ore at the Kalaaq
Discovery, with assays returning the following results:
Trench A - 5.4m @ 27.35 C(g)% and 1.1 m @ 33.10 C(g)%.
Trench B - 4.3m @ 29.61 C(g)%.
Further south, the BLZ layer is gradually covered by thick moraine. The 7-metre wide
Lower Graphite Bed (LGB) situated 300 m to the south, which was discovered during the
2017 campaign, is interpreted as the likely continuation of this zone.
Upper Graphite Zone (UGZ)
The UGZ was discovered during the 2017 campaign but not sampled at that time.
Sampling during the 2021 campaign revealed a 4-metre wide (approx. true thickness)
graphite horizon which graded 24.30 C(g)%.
The UGZ Continuation has been discovered 360m south along strike during this year's
systematic beep mat survey. A 5-metre wide (approx. true thickness) graphite horizon was
uncovered and sampled, which graded 23.15 C(g)%.
NHP Zone
The NHP Zone is a new discovery which extends the graphite mineralisation for a strike
distance of 1.3km southwards from the BLZ and thus expands the previously reported
exploration target zone.
The NHP Zone is exposed over an area 50m wide and 200m long. However, the zone was
discovered on the last day of the field work and therefore only the uppermost four
metres of the zone have been trenched and sampled. The 4-metre horizon graded 17.43
C(g)%.
The NHP Zone is a primary target for further trenching and channel sampling during the
2022 field season.
New Domain Zone (NDZ)
A grab sample grading 32.1 C(g)% was taken 1km south-east of the Exploration Target
Boundary and 540m along strike from a mapped graphite horizon from the 2017
campaign. This sample indicates the potential for an additional mineralised graphite zone
outside the primary target zones on the western side of the Kalaaq Deposit.
2022 Kalaaq Plans
The following work is under consideration for the 2022 field season at Kalaaq:
Airborne Electromagnetic (EM) and Radiometric Survey. An EM survey is a very
effective exploration technique due to graphite being a highly conductive material. A
radiometric survey will be used to target the different radiometric signatures in the
graphite horizons relative to the paragneiss host rock.
Drilling of the primary target zones. The drill collar locations set out after the 2017
campaign will be repositioned based on these newly acquired 2021 results.
Trenching and Sampling. Further on-the-ground exploration will be conducted at the
NHP Zone and New Domain Zone. This will again incorporate the use of a beep mat for
ground-based electromagnetic (EM) surveying, with a view to linking these zones to the
current Primary Target Zones.
Glossary
Electromagnetic (or EM) survey: a geophysical survey method which measures the
electromagnetic properties of rocks.
Radiometric survey: a geophysical survey method that detects and map gamma rays.
Airborne gamma-ray spectrometry or radiometric surveying for mineral exploration
measures the gamma-rays that are emitted from naturally occurring radioactive isotopes
that are found in rocks and soils near the surface.
C(g) or Graphitic Carbon: Carbon may be present in rocks in various forms including
organic carbon, carbonates or graphitic carbon. Carbon in rocks may be reported as fixed
or total carbon (i.e. organic carbon + carbon in carbonate minerals + carbon as graphite)
or as graphitic carbon or total graphitic carbon (or TGC) (i.e. total carbon - (organic +
carbonate carbon)). In this report graphite results are indicated as graphitic carbon or
C(g)%.
Overburden: material that lies above an area of mineralisation.
Competent Person Declaration
The information in this release that relates to Exploration Results has been reviewed by
Mr Mark Austin. Mr Austin is a member of SACNASP (Reg. No. 400235/06), Fellow of The
Geological Society and Fellow of the Geological Society of South Africa. He has a B.Sc.
Honours in Geology with 38 years' experience.
Mark Austin 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 targets, Exploration Results, Mineral Resources and Ore Reserves', also
known as the JORC Code. The JORC code is a national reporting organisation that is
aligned with CRIRSCO. Mr Austin consents to the inclusion in the announcement of the
matters based on his information in the form and context in which they appear.
This announcement contains inside information for the purposes of the UK Market
Abuse Regulation and the Directors of the Company are responsible for the release of
this announcement.
ENDS
For further information, please visit www.albamineralresources.com or contact:
Alba Mineral Resources plc
George Frangeskides, Executive Chairman
+44 20 3950 0725
SPARK Advisory Partners Limited (Nomad)
Andrew Emmott
+44 20 3368 3555
ETX Capital (Broker)
Thomas Smith
+44 20 7392 1494
St Brides Partners (Financial PR)
Isabel de Salis / Catherine Leftley
alba@stbridespartners.co.uk
Alba's Projects and Investments
Mining Projects Operated by Alba
Location
Ownership
Clogau (gold)
Wales
90%
Dolgellau Gold Exploration (gold)
Wales
90-100%
Gwynfynydd (gold)
Wales
100%
Limerick (zinc-lead)
Ireland
100%
Investments Held by Alba
Location
Ownership
GreenRoc Mining Plc (mining)
Greenland
54%
Horse Hill (oil)
England
11.765%
Forward Looking Statements
This announcement contains forward-looking statements relating to expected or
anticipated future events and anticipated results that are forward-looking in nature and,
as a result, are subject to certain risks and uncertainties, such as general economic,
market and business conditions, competition for qualified staff, the regulatory process
and actions, technical issues, new legislation, uncertainties resulting from potential delays
or changes in plans, uncertainties resulting from working in a new political jurisdiction,
uncertainties regarding the results of exploration, uncertainties regarding the timing and
granting of prospecting rights, uncertainties regarding the timing and granting of
regulatory and other third party consents and approvals, uncertainties regarding the
Company's or any third party's ability to execute and implement future plans, and the
occurrence of unexpected events.
Without prejudice to the generality of the foregoing, uncertainties also exist in connection
with the ongoing Coronavirus (COVID-19) pandemic which may result in further lockdown
measures and restrictions being imposed by Governments and other competent
regulatory bodies and agencies from time to time in response to the pandemic, which
measures and restrictions may prevent or inhibit the Company from executing its work
activities according to the timelines set out in this announcement or indeed from
executing its work activities at all. The Coronavirus (COVID-19) pandemic may also affect
the Company's ability to execute its work activities due to personnel and contractors
testing positive for COVID-19 or otherwise being required to self-isolate from time to time.
Actual results achieved may vary from the information provided herein as a result of
numerous known and unknown risks and uncertainties and other factors.
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