Projects

Sentinel Resources’ guiding principles are based on acquiring strategic exploration properties in world-class mining jurisdictions with a rich history in mining, low-cost of entry or acquisition, and easy access to infrastructure to minimize capital and operational costs in explorational periods.

Sentinel acquired, by staking, seven silver-focused exploration concessions totaling approximately 38,600 hectares (386 km2), located in New South Wales, Australia. The seven Silver Projects are knowns as; Wallah Wallah, Stony Creek, Carrington, Dartmoor, Glens Skarn, Broken Hill West and Goongong.

Highlights of the Silver Projects:

At least 23 historic silver and 3 historic gold mines and exploration prospects are present across the Silver Projects. Historic production records indicate that silver grades were generally high-grade and exceeded 1 kg/t Ag in some instances (see News South Wales Department of Planning, Industry and Environment).
Six of the licences are strategically located within the well-mineralized Lachlan orogenic terrane. One licence is located in the world class Broken Hill region of the Curnamona Province.
Sentinel applied to the Manager of Minerals Titles, New South Wales Department of Mining, Exploration and Geosciences for the concessions. The concessions will be 100% owned with no royalties or back-in rights upon completion of acquisition process. Sentinel will be required to post a refundable performance bond of AU$10,000 per concession and spend exploration and associated expenses on each concession of AU$ 25,000 in Year One and AU$50,000 in Year Two.
Sentinel’s technical team is currently reviewing historic data in order to fast track reconnaissance follow-up and definition of high-grade drill ready targets.

The Lachlan Orogen

The Lachlan Orogen comprises a series of well-mineralized accretionary terranes formed during the Ordovician and Early Carboniferous Period. Despite being known as a major copper and gold producer — the exploration potential for silver is excellent. A variety of deposit styles are present including volcanic-associated massive sulfide (e.g. Woodlawn and Lewis Ponds), epithermal (e.g. Bowdens), orogenic base metal (e.g Browns Reef), Mississippi Valley Type (carbonate- and sandstone-hosted such as the Manuka Deposit) and Intrusion Related (e.g. Peak and CSA).

Six of the Silver Projects are located within the Lachlan Orogenic terrane:

Wallah Wallah: This concession comprises 99 km² and is located within the central eastern Lachlan orogenic terrane. The application area covers 6 historic high-grade silver mines.

Wallah Wallah is an orogenic base-metal deposit. It consists of at least of 10 mineralized lodes that crop out over a strike length of 2 km. Over 500 m of historic underground workings are known over 4 levels. Historic production records state that more than 3000 t of material was mined at average grades of 950 g/t Ag and 30% Pb. More recent underground chip sampling has returned grades of 1000 g/t Ag.

Stony Creek: The Stony Creek concession covers an area of 80.8 km2. It is located in the southern portion of the Lachlan orogen and includes 4 historic silver and 3 historic gold mines and prospects. Deposits in the area are classified as orogenic base-metal deposits. Mineralization is associated with quartz-vein stockworks developed along the westerly dipping Gundillion Fault.

The application area includes the Stony Creek prospect which comprises an 85 m wide alteration zone hosting a quartz-sulphide vein. Historic rock chip samples assayed up to 18.4 ppm Au and 212ppm Ag. One historic drillhole by Canyon Resources Pty Ltd in 1986 returned an intercept of 5 m @ 3.0 g/t Au.

The historic Karawaree underground silver mine is located approximately 1.4 km northwest of Stony Creek and shares similar geology. Historic workings have been traced for over 2 km and returned historic rock chip grades of up to 44 g/t Au and 150 g/t Ag.

Carrington: Carrington is a 48 km² concession located in the East Lachlan orogenic terrane. Three high grade historic silver/gold mines and prospects are associated with the regional Yarralaw Fault.

The historic Carrington mine comprises extensive historical shafts and opencut drifts which exploited laterally extensive mineralised gossans that are up to 6 m wide. Historic chip samples returned grades of up to 85 g/t Au, 6037 g/t Ag, 24.8 % Pb and 16.8 % Sb.

Dartmoor: This concession covers an area of 71 km² and is located at the western margin of Hill End and Cooma Zone in the east Lachlan Orogen. The application area includes two historic polymetallic mines — Dartmoor and Dartmoor East — most likely of VHMS-Kuroko type. Mineralization presents as an extensive gossanous zone that can be traced along strike for over 1.5 km. Small scale historical production records state average silver grades of 980 g/t Ag and 12% Cu.

Glens Skarn: This is a 36.5 km² concession within the central Lachlan orogenic terrane. It includes 4 mineralised skarns which crop out over a strike length of 7.5 km. Historic surface rock chip sampling returned grades of up to 80 g/t Ag, 5% Cu, 0.28% Pb, 1.26 % Zn, 100 g/t Sn and 1700 g/t W. These assays are highly significant given the oxidized and leached nature of skarn outcrops.

Goongong: A 39 km² concession which hosts 4 historic silver mines and prospects. The most prospective is Goongong Skarn which comprises several gossanous outcrops over a strike length of 1.5 km. Limited historic drilling intercepted pods of distal volcanogenic and/or skarn mineralisation. One interval assayed 14.7 m at 0.14 g/t Cu, 0.1% Pb, 0.49 % Zn and 63 g/t Ag.

The Curnamona Province

The Broken Hill deposits lie within the Willyama Blockor Broken Hill Domain of the Curnamona Province which extends from far western New South Wales into eastern South Australia. Mineralization at Broken Hill occurs as a series of lodes which have been folded into an anticline with a mineralized strike length of at least 8 km.

Broken Hill West: This concession covers an area of 11.5 km². It is located 2.5 km west of the Broken Hill mine and shares the same geological setting and structure. Despite its proximity to the Broken Hill mine, the concession remains poorly explored due to extensive Quaternary surface cover.

Sentinel acquired, by staking, eight, gold-focused exploration concessions totaling approximately 94,500 hectares (945 km²), located in New South Wales, Australia. The eight Gold Projects are known as: Star of Hope, Golden Bar, Alliance Reef, Stanleys, Lady Mary, Waddery West, Wittagoona Reef and Toolom South.

Highlights of the Gold Projects:

At least 198 historic gold mines and gold exploration prospects are present across the Gold Projects. Historic production records indicate that gold grades were often multi-ounce (see News South Wales Department of Planning, Industry and Environment).
The licences are strategically located within the prolifically mineralized Lachlan and New England orogenic terranes.
Sentinel applied to the Manager of Minerals Titles, New South Wales Department of Mining, Exploration and Geosciences for the concessions. The concessions will be 100%-owned with no royalties or back-in rights, upon completion of acquisition process.
Sentinel has engaged a highly experienced exploration team to commence a reconnaissance work program on high-grade historic mines and showings in November 2020. The focus is to identify high-grade drill ready targets.

The New England Orogenic Terrane

The New England Orogen forms the basement throughout the northeast of New South Wales. It developed along the eastern margin of Gondwana as a result of convergent margin tectonic processes in the Paleozoic and early Mesozoic. The orogen was most likely island arc-related from the Cambrian to the Middle Devonian, changing to a continental margin magmatic arc from the Late Devonian onwards. Ophiolites — remnants of ocean floor — crop out along the regional Peel-Manning suture zone.

The presence of extensive alluvial gold fields and showings, coupled with the large number of historic underground gold and silver mines, and a variety of tectonic terranes including Andean-type continental arc, fore-arc, and accretionary wedge, indicates that the New England Orogen is high prospective for the discovery of gold and silver deposits. The Peel-Manning ophiolite zone, especially where altered to listwanite, is highly prospective for orogenic gold.

Five of the eight Gold Projects are located within the New England Orogenic terrane:

Toolom South (ELA 6061): This concession is located in the historic Toolom goldfield. It covers an area of 165.5 km2 and includes over 60 historic gold mines and high-grade gold showings. There are also potentially significant alluvial gold deposits.

Alliance Reef (ELA 6057): Alliance Reef comprises 102.5 km2 and is located in the western portion of the New England orogenic belt. The license covers 12 strike kilometers of the significantly gold mineralized regional Peel-Manning fault system. Mineralization is of an orogenic or lode gold type — characterized by quartz veins which may host high grade gold shoots. Orogenic systems typically have large vertical extent and mineralization may extend 100’s to 1,000+ metres down-dip.

The Peel-Manning fault is a crustal scale structure that is strongly gold mineralized along its 350 km strike length. It is significant that the fault system hosts ocean-floor mafic and ultramafic rocks present as listwantite (quartz-carbonate) altered serpentinites. Deposits such as the Californian Motherlode, Bralorne (British Columbia) and large high-grade gold systems throughout the shield area of Saudi Arabia are all associated with listwanites.

Twenty-eight past producing gold mines and prospects have been identified within the Alliance Reef concession. Historical production and prospecting records define a 1 km wide, 7.5 km long gold trend. Historical hard-rock production grades of up to 15 g/t Au are cited.

The historic mines include the past producing Marquis of Lorne orogenic gold-antimony mine, with over 500 m of historical underground workings. Historic drill hole intercepts of up to 5 g/t Au over >5m are recorded, according to government sourced records.

Wittagoona Reef (ELA 6067): The 150.7 km2 Wittagoona Reef concession covers part of the Peel-Manning fault system and associated hanging-wall regional faults. Wittagoona shares many similarities to the orogenic lode gold and listwanite-hosted mineralization at Alliance Reef. It straddles 12 km of the Peel-Manning fault and 15 km of the gold mineralized Nomoi Fault.

NSW Government records indicate there are at least 11 historic gold mines and prospects within the concession. Historical reports state that there are numerous adits of greater than 100 metres in length associated with a number of quartz-stockwork mullock heaps.

Golden Bar (ELA 6060): This concession covers an area of 198 km2 and is located in the eastern part of the New England orogen covering the majority of the historic Orara-Coramba gold field. There are at least 50 historic underground mines and prospects — many noted for high gold grades.

Forty-seven of the mines and occurrences in the New South Wales Government database are listed as structurally controlled, low sulphidation epithermal type. Historic production records cite grades of up to 184 g/t Au. Occurrences are clustered along two east-west trending mineralized corridors with a cumulative strike length of over 40 km.

Star Of Hope (EAL 6068): A 28 km2 license located in the north-eastern part of the New England Orogen. At least 12 historic hard-rock mines and high-grade showings are present. Historic mines and occurrences are clustered in two zones of several kilometres strike length and up to 1 km wide.

The Lachlan orogenic terrane

The Lachlan Orogen of New South Wales, Victoria and eastern Tasmania represents a marginal mobile zone developed at the edge of the Australian Plate during the Ordovician and Early Carboniferous Period. It comprises a series of prolifically mineralized accretionary terranes which host a number of economically important mineralized deposits.

In New South Wales these include world-class porphyry Cu-Au deposits and related skarn Cu-Au and epithermal Au deposits; small to large epigenetic and hydrothermal Au and Pb-Zn-Cu deposits; medium sized orogenic Au deposits and small to large VHMS style Pb-Zn-Ag-Au deposits. Three of the eight Sentinel gold projects are located within the Lachlan Orogenic terrane:

Stanleys (ELA 6062): This project spans 89.5 km2 across the east of the Lachlan orogenic terrane and includes 17 historic gold mines and showings. Historic records cite production grades of up to 185 g/t Au. The license occurs within the highly prospective Hill End Trough and Macquarie Arc.

Lady Mary (ELA 6064): This 92.7 km2 concession is located in the centre of the Lachlan orogenic terrane. New South Wales Government records indicate that 15 historic hard-rock mines and prospects are present — 12 gold and three silver.

Mineralization is associated with regional scale NE-SW trending faults. Gold is associated with gossanous zones of between two to 10 metres wide, defined over a 7 km strike length. The association of gold with silver, copper, lead and zinc, suggests that mineralization is of an orogenic VMS type.

Warraderry West (ELA 6055): This concession encompasses 131.3 km2 and is located within the Tabberabberan orogenic gold region of the Lachlan orogenic terrane. The principal target on the property is a 15 km long gold mineralized dyke swarm. Limited historic exploration identified potentially Carlin-style mineralization to the NE of the tenement, hosted in clastic sedimentary units of the Kirribilli Formation.

The Salama Gold Project consists of four gold focused exploration concessions totaling 2,700 hectares in the Anta province of Peru. Preliminary review indicates extensive areas of quartz veins with localized silicified breccias, that have been the focus of historic production by artisanal and small-scale miners. These miners targeted high grade areas where oxidation of bedrock resulted in formation of free gold amenable to gravity recovery.

Preliminary review of regional satellite imagery indicates that two major structures intersect in the northeast of the concession, in a similar geological setting to La Virgin gold mine 20 km to the north. Historic production at La Virgin was reported as 120 Koz Au/annum.

Sentinel’s field team will initially comprise three in-country geologists, allowing for rapid first pass reconnaissance and rock-chip grab sampling. The field team has robust project review and target generation experience, especially with respect to Peruvian low and high sulphidation epithermal deposits, such as Lagunas Norte, La Arena and Rosario De Belen. This will allow mineralization at Salama to be placed within the wider context of an epithermal deposits geological, structural and hydrothermal evolution, and thus allow key controls on mineralization and high value targets to be rapidly established. Sentinel will submit samples to ALS Lima for preparation and analysis.

Potential for high and low sulfidation epithermal gold mineralization and breccia pipe stock-work style gold-silver deposits.

Situated within the prolific gold-polymetallic Miocene skarn and porphyry belt — one of several coast-parallel metallogenic belts that host the larger and more significant deposits of Peru (Figure 1). This includes Lagunas Norte Gold Mine, Rasario De Belen Gold Mine, La Arena Gold Mine and La Virgen Mine, that together host over 20 Moz gold within a 45 km radios of the Salama Concessions.

Highly experienced national and expatriate exploration team capable of carrying out exploration work on Salama Gold Project immediately.

First reconnaissance visit planned for the week of 12^th October 2020. First pass mapping and sampling will concentrate on areas of alteration hosting quartz veins and silicified breccias. Previous work by artisanal and small-scale miners provides additional vectors to areas of higher-grade mineralization.

Road accessible 3,130 Ha property, 65 km east of Kelowna, BC

Historic small-scale production from high-grade silver and high-grade gold prospects since the early 1900s (Waterloo mine, AU showing).

High-grade prospects define a 4 km E-W strike. Has never been systematically drill tested.

Carbonate Replacement Deposit (CRD) model fits with known mineral occurrences (porphyry to skarn to base-metal sulphide replacement to epithermal) – needs testing.

Potential for high grade low cost Ag + Au resource development

The Waterloo property is underlain by Mesozoic Quesnel Terrane rocks that also host nearby porphyry-Cu+Au deposits (New Afton, Ajax, Copper Mtn.), Cu-Au skarn (Phoenix), mesothermal-Au (Greenwood camp), polymetallic Pb-Zn-Ag (Slocan camp) and epithermal-Au (Knob Hill – Washington)

The Waterloo property has documented polymetallic Pb-Zn-Ag, mesothermal-Au, epithermal-Au, Cu-skarn and porphyry-Cu related mineralization

Property is underlain by a roof pendant of metamorphosed limestones, sediments and volcaniclastic rocks of the Harper Ranch Group (green) hosted in Jurassic-Cretaceous granites and granodiorites (pink).

High grade Ag-Zn-Pb mineralization along main E-W Waterloo structure (Grey). High grade Au-Pb-Cu mineralization along crosscutting N-S structures (Black).

High-grade mineralization has seen local historic production but no systematic drilling besides 12 short holes focused at Waterloo by Tower Resources. All targets are open at depth and along strike.

Genetic ore deposit model of mineralization peripheral to porphyry-related systems applied to Waterloo property

A. Porphyry – Pilot

B. Skarn – Richrock and VQ

C. Carbonate replacement – E-W Waterloo structure

D. Mesothermal veins – N-S Au structures

E. Epithermal – Potosi

This complex model has yet to inform exploration targeting at Waterloo – offers new opportunities.

Property scale structural mapping, soil geochemistry and IP geophysics is warranted followed by diamond drilling.

Exploration Activities and Results in 2020

Assay results from the Sentinel’s 2020 confirmation sampling program on its 100%-owned Waterloo Silver-Gold Property (Figure 1).

Significant Results:

7,470 g/t Silver and 39.8 g/ Gold sample #B846266
4,840 g/t Silver and 9.9 g/t Gold sample #B846269
6 g/t Gold and 175 g/t Silver sample #B846252
4 g/t Gold and 237 g/t Silver sample #B846251

Prospecting, sampling, and reconnaissance mapping was carried out at several locations on the Property including the Waterloo mine, the Au Zone, the Park zone and the East Zone (Figure 2).

Figure 1: Property Location Map

Figure 2: Selected Sample Locations

The Pass property is located within the Nelson mining district, where numerous high-grade gold occurrences and deposits have been discovered in quartz veins, sulfide zones and skarns adjacent to the contact of mid to late Jurassic intrusions such as the Bonnington Pluton and the Rossland Group volcanics and sediments. The area has been actively explored since the late 1800’s.

Elevations within the project area range from 5,000 ft (1524 meters) along Granite Creek to almost 7,000 ft (2134 meters) near the center of the claim group on Grassy Mountain. A drift veneer covers most of the project area restricting outcrops to the ridges and trough like creeks that drain the property.

The Nelson district has been extensively explored since the 1800’s. Numerous high-grade gold occurrences and deposits have been discovered in quartz veins, sulfide zones and skarns adjacent to the contact of mid to late Jurassic intrusions such as the Bonnington Pluton and the Rossland Group volcanics and sediments. The third largest gold-enriched skarn producer in the province, the Second Relief mine is located 2.5 km to the east of the claim group. The Second Relief mine operated from 1902 to 1919 and then resumed in 1928 producing until 1941. Production totals 207,023 tonnes which yielded 866,433 grams of silver, 3,117,637 grams of gold, 20,210 kilograms of copper, 1057 kilograms of lead and 147 kilograms of zinc (MINFILE No 082FSW187).

Access to the property is southeast 18 kilometers (11 miles) from Castlegar on Highway 3, then north 14 kilometers (8.7 miles) on the Munson Forestry Service road, a well-maintained gravel logging road to the property. Access to the north half of the claim group is good because of a network of existing and newly constructed logging roads.

Access the southern half to the property is via unmaintained logging roads, rough quad trails and hunting trails.

The work carried out to date on the Pass Property has clearly indicated the presence of significant gold mineralization. The main target zone on the Pass Property, the Granite Creek Skarn, is a zone of magnetite skarn hosting copper-gold mineralization. Analyses of rock samples collected by the mineral exploration consulting geologist and now Company Qualified Person, Greg Bronson, in 2017 from the tailings pile adjacent to the Granite Creek Adit assayed at 9.2 g/t Au, 50g/t Ag and 4.51% Cu. In 2019, verification rock grab samples collected from the adit wall and dump pile returned between 0.44 and 0.74 g/t Au, with concomitant silver (0 –3 g/t Ag), and 0.082-0.272 % Cu.

The first phase of the 2020 field season’s efforts are focused on further investigation of the geophysical anomalies through collection of detailed soil geochemistry over the anomalous locations along with detailed mapping, prospecting and rock sampling in the main mineralized area, known as the Granite Creek skarn. In addition, Sentinel field crews are also following up anomalous copper-gold mineralization in rock samples discovered due to recent logging activity on the property and located in a previously unexplored area. The Company plans to collect detailed soil geochemistry in this unexplored area along with detailed geological mapping and prospecting and rock sampling. A second phase of field work is planned in 2020 to follow up on those targets successfully characterized in the first round of field work.

‘Inferred crustal levels of gold deposition showing the different types of gold deposits and the inferred deposit clan (from Dube et al., 2001; modified from Poulsen et al., 2000)’.

The Pass property shares similar geology to the third largest gold-enriched skarn producer in the province, the Second Relief mine, which is located 2.5 km to the east of the property. The main mineralized zone on the property is referred to as the Granite Creek skarn and is a steeply dipping stratiform, tabular or lensoidal zone of gold enriched skarn. This body has had only historical artisanal work performed on it as evidenced by a short adit on the south bank of Granite Creek. Samples from the tailings pile of the adit assayed up to 9.2 g/t gold and 50g/t silver.

Pass Technical Report

View

A. Porphyry – Pilot

B. Skarn – Richrock and VQ

C. Carbonate replacement – E-W Waterloo structure

D. Mesothermal veins – N-S Au structures

E. Epithermal – Potosi

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