Positive results from regional exploration activity
around the Palito tenement
Serabi Gold plc (AIM:SRB, TSX:SBI), the
Brazilian-focused gold mining and development company, is pleased
to provide a Greenfield Exploration update from its activities in
its Palito Complex regional tenements in the Tapajos region of Para
State, Northern Brazil. The exploration activity is being
undertaken as part of the Exploration Alliance funded by Vale
SA.
To access a PDF Copy of this news release
including all images please use the following link -
https://bit.ly/3sUVgmT
Highlights
-
Interpretation of regional airborne geophysics and soil
geochemistry have identified a large scale (crustal) dilational
feature which hosts at least four new gold and copper
prospects.
-
At Calico North, preliminary results have defined anomalous and
consistent gold trends following a NW-SE structural trend, similar
to the Palito deposit, located 1.5km to the north. The results
suggest the continuity of the Palito mineralised corridor to the
southwest.
-
At Isla, NW-SE trending 3.5 kilometre geochemical copper anomaly of
more than 300ppm has been defined, very similar in size and copper
values with the Matilda copper prospect. The copper anomaly also
has a coincidental airborne EM conductivity anomaly.
-
Systematic soil sampling demonstrates the prospectivity of the
ground holding, and will continue until the end of 2023, which will
generate multiple new targets for a 2024 drilling programme.
-
The full programme to collect 5,500 soil samples will increase
coverage by first pass surface geochemistry, to over 70% of
Serabi’s Palito Complex tenement.
-
Re-interpretation of existing targets have refined understanding
and identified potential for epithermal and porphyry style
mineralisation at Ganso, Forquilha and Calico targets.
Mike Hodgson CEO commented,
“Geochemistry from soil sampling around the
Palito complex has been successful over the years, and the latest
results to date continue to generate some highly promising
prospects. This Greenfield exploration has been undertaken under
the Alliance with Vale announced last year, focused on copper
prospects. At the end of this year, we will be in a strong position
to define the next phase of our exploration programme that may
include geophysical follow-up and further drilling of the priority
targets.
“The development of the Calico North anomaly has
been very encouraging, and the geochemical signature is very
comparable with the Palito deposit, which lies just 1.5km to the
north.
“Ganso and Isla were less known to us at the
beginning of this campaign, but both targets demonstrate similar
geochemical signatures to Matilda, suggesting additional porphyry
possibilities. Forquilha is also an exciting target, exhibiting
geochemistry consistent with eptithermal vein gold potential.
“The development of these opportunities
demonstrates how fertile and prospective our ground is, as we
target growth of both high grade gold and scale bulk base metal
prospects.”
Please use the following link to access an image
of “Location of the main targets and discoveries made to date by
the exploration programme” - https://bit.ly/3T1vLLc
Figure 1: Location of the main targets
and discoveries made to date by the exploration
programme
Detailed Results and Technical
Discussion
In 2023, Serabi set up a comprehensive
exploration programme that includes approximately 13,000 meters of
diamond drilling and 5,500 soil samples for multi-element analysis
(figure 2).
A significant proportion of the drilling will
target the definition of an inferred Cu-Au-Mo resource for the
Matilda prospect, along with the improved geological understanding
of the Matilda system to help better understand the additional
porphyry targets that undoubtedly exist in the Palito complex.
The remainder of the exploration drilling has
been aimed at testing high priority targets, some of which have
been developed recently and some over a longer period advancing
them sufficiently to justify extension of Serabi’s tenure of these
areas,
The soil sampling campaign has been distributed
in grids of 400m and 800m x 100m, to provide effective coverage of
the most prospective areas and will be followed up as anomalies are
identified, through closer spaced sampling.
The data generated will significantly enhance
Serabi’s understanding of the wider package and assist in future
exploration for new prospects.
Please use the following link to access an image
of “Status of the soil sample programmes in Serabi permits” -
https://bit.ly/3N2D6pZ
Figure 2: Status of the soil sample
programmes in Serabi permits.
Preliminary Soil Results
-
The Calico North target is an anomalous and continuous gold trend,
exhibiting very similar geochemical signatures to the Palito
deposit just 1.5km to the north. Just like Palito, the Calico gold
anomalies are hosted in NE-SW structures. The similarities are
compelling.
-
The Isla target is a 3.5km sized, copper anomaly, some 6.3km from
the Sao Chico Mine.
-
The Forquilha target defined as the upper portion of epithermal
mineralisation close (1km) to Calico North vein and the Palito
mine
-
Results have helped define weathering regimes, regional lithologic
variations and alteration zones as well as directly delineating
high priority Cu and Au targets.
Calico North / Forquilha
Targets
Soil sampling identified a new 5km by 2km gold
in soils anomaly at the Calico North target. The anomaly suggests
the same NW-SE structural control of the nearby Palito Mine. The
target also suggests potential for gold mineralisation over a 7km
NE-SW trend, from the Palito Mine to the greenfield Calico prospect
which is interpreted as an epithermal gold system.
The Calico North gold anomalies are located just
1.5km from the Palito plant and subject to future exploration
success are being targeted as a potential additional ore source for
the Palito plant.
The Forquilha target is a quartz vein with
structures of an upper part of epithermal vein with stockwork and
calcedonic and hydrothermal breccia textures.
Please use the following link to access an image
“Showing the gold anomalous trend along the Palito main structure
and the Palito ore bodies” - https://bit.ly/47QaB6T
Figure 3: Showing the gold anomalous
trend along the Palito main structure and the Palito ore
bodies.
Isla / Ganso Targets
Soil sampling has identified a new 3.5km long
copper in soils anomaly at the Isla target. The copper anomaly of
more than 300 ppm Cu, trends NW-SE and is correlated with a strong
magnetic feature, EM conductor anomalies and an intersection of
major regional structures. Field mapping identified gossan-like
rock samples with elevated copper grades.
To the south, a new 3km x 1km gold in soils
anomaly was identified. Field mapping identified a series of
quartz-sulphide veins returning grades of up to 159.84 g/t Au and
1,200 ppm Cu. The newly discovered veins are located approximately
2.5km north of the São Chico Mine.
The Ganso target identified within the soil
campaign, has now been classified as a high sulphidation epithermal
target with potential to be the upper part of another porphyry
system. Data interpretation and geological investigation is ongoing
to have a detail exploration program implemented.
Please use the following link to access an image
“Presenting the anomalous Cu zones at Isla / Ganso and the
geochemistry and geophysics interpretations made in the region” -
https://bit.ly/40SOQBn
Figure 4: Presenting the
anomalous Cu zones at Isla / Ganso and the geochemistry and
geophysics interpretations made in the region.
Next steps and final
results
Serabi will continue with its soil sampling
programme as well as the ongoing drilling and IP survey at the
Matilda prospect, data interpretation and further regional work.
This phase of the field programmes will be completed by the end of
the year. As the results become available, the exploration team
carries out treatment, integration, and interpretation of the
multi-element data and the final results of the programme are
expected to be announced in the beginning of 2024.
The information contained within this
announcement is deemed by the Company to constitute inside
information as stipulated under the Market Abuse Regulations (EU)
No. 596/2014 as it forms part of UK Domestic Law by virtue of the
European Union (Withdrawal) Act 2018.
The person who arranged for the release of this
announcement on behalf of the Company was Clive Line, Director.
Enquiries
SERABI GOLD plcMichael
Hodgson t
+44 (0)20 7246 6830Chief
Executive m
+44 (0)7799 473621
Clive
Line t
+44 (0)20 7246 6830Finance
Director m
+44 (0)7710 151692
e
contact@serabigold.com
www.serabigold.com
BEAUMONT CORNISH LimitedNominated
Adviser & Financial AdviserRoland Cornish / Michael
Cornish t
+44 (0)20 7628 3396
PEEL HUNT LLPJoint UK
BrokerRoss Allister/Bhavesh
Patel t
+44 (0)20 7418 9000
TAMESIS PARTNERS LLPJoint UK
BrokerCharlie Bendon/ Richard
Greenfield t
+44 (0)20 3882 2868
CAMARCOFinancial PRGordon
Poole / Emily
Hall t
+44 (0)20 3757 4980
Copies of this announcement are available from
the Company's website at www.serabigold.com.
See
www.serabigold.com for more information
and follow us on twitter @Serabi_Gold
GLOSSARY OF TERMS
The following is a glossary of technical
terms:
“Ag” |
means silver. |
“Au” |
means gold. |
“assay” |
in economic geology, means to analyse the proportions of metal in a
rock or overburden sample; to test an ore or mineral for
composition, purity, weight or other properties of commercial
interest. |
“CIM” |
means the Canadian Institute of Mining, Metallurgy and
Petroleum. |
“chalcopyrite” |
is a sulphide of copper and iron. |
“Cu” |
means copper. |
“cut-off grade” |
the lowest grade of mineralised material that qualifies as ore in a
given deposit; rock of the lowest assay included in an ore
estimate. |
“dacite porphyry intrusive” |
a silica-rich igneous rock with larger phenocrysts (crystals)
within a fine-grained matrixi |
“deposit” |
is a mineralised body which has been physically delineated by
sufficient drilling, trenching, and/or underground work, and found
to contain a sufficient average grade of metal or metals to warrant
further exploration and/or development expenditures; such a deposit
does not qualify as a commercially mineable ore body or as
containing ore reserves, until final legal, technical, and economic
factors have been resolved. |
“electromagnetics” |
is a geophysical technique tool measuring the magnetic field
generated by subjecting the sub-surface to electrical
currents. |
“garimpo” |
is a local artisanal mining operation |
“garimpeiro” |
is a local artisanal miner. |
“geochemical” |
refers to geological information using measurements derived from
chemical analysis. |
“geophysical” |
refers to geological information using measurements derived from
the use of magnetic and electrical readings. |
“geophysical techniques” |
include the exploration of an area by exploiting differences in
physical properties of different rock types. Geophysical methods
include seismic, magnetic, gravity, induced polarisation and other
techniques; geophysical surveys can be undertaken from the ground
or from the air. |
“gossan” |
is an iron-bearing weathered product that overlies a sulphide
deposit. |
“grade” |
is the concentration of mineral within the host rock typically
quoted as grams per tonne (g/t), parts per million (ppm) or parts
per billion (ppb). |
“g/t” |
means grams per tonne. |
“granodiorite” |
is an igneous intrusive rock similar to granite. |
“hectare” or a “ha” |
is a unit of measurement equal to 10,000 square metres. |
“igneous” |
is a rock that has solidified from molten material or magma. |
“IP” |
refers to induced polarisation, a geophysical technique whereby an
electric current is induced into the sub-surface and the
conductivity of the sub-surface is recorded. |
“intrusive” |
is a body of rock that invades older rocks. |
"Indicated Mineral Resource |
An Indicated Mineral Resource is that part of a Mineral Resource
for which quantity, grade or quality, densities, shape and physical
characteristics are estimated with sufficient confidence to allow
the application of Modifying Factors in sufficient detail to
support mine planning and evaluation of the economic viability of
the deposit. Geological evidence is derived from adequately
detailed and reliable exploration, sampling and testing and is
sufficient to assume geological and grade or quality continuity
between points of observation. An Indicated Mineral Resource has a
lower level of confidence than that applying to a Measured Mineral
Resource and may only be converted to a Probable Mineral
Reserve. |
"Inferred Mineral Resource” |
An Inferred Mineral Resource is that part of a Mineral Resource for
which quantity and grade or quality are estimated on the basis of
limited geological evidence and sampling. Geological evidence is
sufficient to imply but not verify geological and grade or quality
continuity. An Inferred Mineral Resource has a lower level of
confidence than that applying to an Indicated Mineral Resource and
must not be converted to a Mineral Reserve. It is reasonably
expected that the majority of Inferred Mineral Resources could be
upgraded to Indicated Mineral Resources with continued
exploration. |
“Measured Mineral Resource” |
A Measured Mineral Resource is that part of a Mineral Resource for
which quantity, grade or quality, densities, shape, and physical
characteristics are estimated with confidence sufficient to allow
the application of Modifying Factors to support detailed mine
planning and final evaluation of the economic viability of the
deposit. Geological evidence is derived from detailed and reliable
exploration, sampling and testing and is sufficient to confirm
geological and grade or quality continuity between points of
observation. A Measured Mineral Resource has a higher level of
confidence than that applying to either an Indicated Mineral
Resource or an Inferred Mineral Resource. It may be converted to a
Proven Mineral Reserve or to a Probable Mineral Reserve. |
“mineralisation” |
the concentration of metals and their chemical compounds within a
body of rock. |
“mineralised” |
refers to rock which contains minerals e.g. iron, copper,
gold. |
"Mineral Resource” |
A Mineral Resource is a concentration or occurrence of solid
material of economic interest in or on the Earth’s crust in such
form, grade or quality and quantity that there are reasonable
prospects for eventual economic extraction. The location, quantity,
grade or quality, continuity and other geological characteristics
of a Mineral Resource are known, estimated or interpreted from
specific geological evidence and knowledge, including
sampling. |
“Mineral Reserve” |
A Mineral Reserve is the economically mineable part of a Measured
and/or Indicated Mineral Resource. It includes diluting materials
and allowances for losses, which may occur when the material is
mined or extracted and is defined by studies at Pre-Feasibility or
Feasibility level as appropriate that include application of
Modifying Factors. Such studies demonstrate that, at the time of
reporting, extraction could reasonably be justified. |
“Mo-Bi-As-Te-W-Sn” |
Molybdenum-Bismuth-Arsenic-Tellurium-Tungsten-Tin |
“monzogranite” |
a biotite rich granite, often part of the later-stage emplacement
of a larger granite body. |
“mt” |
means million tonnes. |
“ore” |
means a metal or mineral or a combination of these of sufficient
value as to quality and quantity to enable it to be mined at a
profit. |
“oxides” |
are near surface bed-rock which has been weathered and oxidised by
long term exposure to the effects of water and air. |
“ppm” |
means parts per million. |
“Probable Mineral Reserve” |
is the economically mineable part of an Indicated and, in some
circumstances, a Measured Mineral Resource demonstrated by at least
a Preliminary Feasibility Study. This Study must include adequate
information on mining, processing, metallurgical, economic, and
other relevant factors that demonstrate, at the time of reporting,
that economic extraction can be justified. |
“Proven Mineral Reserve” |
is the economically mineable part of a Measured Mineral Resource. A
Proven Mineral Reserve implies a high degree of confidence in the
Modifying Factors. |
“saprolite” |
is a weathered or decomposed clay-rich rock. |
“sulphide” |
refers to minerals consisting of a chemical combination of sulphur
with a metal. |
“vein” |
is a generic term to describe an occurrence of mineralised rock
within an area of non-mineralised rock. |
“VTEM” |
refers to versa time domain electromagnetic, a particular variant
of time-domain electromagnetic geophysical survey to prospect for
conductive bodies below surface. |
“XRF” |
X-ray Fluorescence (XRF) is a spectrometric technique used to
perform elemental analysis non-destructively on samples |
Assay ResultsAssay results reported within this
release include those provided by the Company's own on-site
laboratory facilities at Palito and have not yet been independently
verified. Serabi closely monitors the performance of its own
facility against results from independent laboratory analysis for
quality control purpose. As a matter of normal practice, the
Company sends duplicate samples derived from a variety of the
Company's activities to accredited laboratory facilities for
independent verification. Since mid-2019, over 10,000 exploration
drill core samples have been assayed at both the Palito laboratory
and certified external laboratory, in most cases the ALS laboratory
in Belo Horizonte, Brazil. When comparing significant assays with
grades exceeding 1 g/t gold, comparison between Palito versus
external results record an average over-estimation by the Palito
laboratory of 6.7% over this period. Based on the results of this
work, the Company's management are satisfied that the Company's own
facility shows sufficiently good correlation with independent
laboratory facilities for exploration drill samples. The Company
would expect that in the preparation of any future independent
Reserve/Resource statement undertaken in compliance with a
recognised standard, the independent authors of such a statement
would not use Palito assay results without sufficient duplicates
from an appropriately certificated laboratory.
Forward-looking statementsCertain statements in
this announcement are, or may be deemed to be, forward looking
statements. Forward looking statements are identified by their use
of terms and phrases such as ‘‘believe’’, ‘‘could’’, “should”
‘‘envisage’’, ‘‘estimate’’, ‘‘intend’’, ‘‘may’’, ‘‘plan’’, ‘‘will’’
or the negative of those, variations or comparable expressions,
including references to assumptions. These forward-looking
statements are not based on historical facts but rather on the
Directors’ current expectations and assumptions regarding the
Company’s future growth, results of operations, performance, future
capital and other expenditures (including the amount, nature and
sources of funding thereof), competitive advantages, business
prospects and opportunities. Such forward looking statements reflect
the Directors’ current beliefs and assumptions and are based on
information currently available to the Directors. A number of
factors could cause actual results to differ materially from the
results discussed in the forward-looking statements including risks
associated with vulnerability to general economic and business
conditions, competition, environmental and other regulatory
changes, actions by governmental authorities, the availability of
capital markets, reliance on key personnel, uninsured and
underinsured losses and other factors, many of which are beyond the
control of the Company. Although any forward-looking statements
contained in this announcement are based upon what the Directors
believe to be reasonable assumptions, the Company cannot assure
investors that actual results will be consistent with such forward
looking statements.
Qualified Persons StatementThe scientific and
technical information contained within this announcement has been
reviewed and approved by Michael Hodgson, a Director of the
Company. Mr Hodgson is an Economic Geologist by training with over
30 years' experience in the mining industry. He holds a BSc (Hons)
Geology, University of London, a MSc Mining Geology, University of
Leicester and is a Fellow of the Institute of Materials, Minerals
and Mining and a Chartered Engineer of the Engineering Council of
UK, recognizing him as both a Qualified Person for the purposes of
Canadian National Instrument 43-101 and by the AIM Guidance Note on
Mining and Oil & Gas Companies dated June 2009.
Neither the Toronto Stock Exchange, nor any other securities
regulatory authority, has approved or disapproved of the contents
of this news release
- Exploration Program - Nov 2023.
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