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Tarsis Resources Finds Rich Porphyry in Yukon
By James West
MidasLetter.com
Tuesday, December 8, 2009
Tarsis Resources (TSX.V: TCC) project generator model is starting to yield some exciting results. Recent sampling from the company�s 100% owned Prospector Mountain property in southwestern Yukon, Canada, yielded grades as high as 82.2 grams per tonne gold, 5.97% copper, and 888 grams per tonne of silver.
This from a property portfolio encompassing some 8 projects, all of which are in the Yukon except the company�s Erika project, which is located in Guerrero State, Mexico.
Prospector Mountain, Yukon
Prospector Mountain is a 5,000 hectare parcel in the Tintina Gold Belt, approximately 15 kilometres northwest of the Freegold Mountain Project owned by Northern Freegold Resources (TSX.V: NFR) and 55 kilometres away from the Casino copper-gold-molybdenum deposit currently under development by Western Copper Corporation (TSX:WRN).
According to the company�s press release dated November 2, 2009:
�Exploration during this final phase of work concentrated on the continued reassessment of the historical porphyry target in the eastern part of the claim block where cursory prospecting earlier in the season yielded up to 27.6 g/t Au, 910 g/t Ag, 1.37 % Cu and 28.01% Pb from locally weathering vein talus as reported in a press release dated August 31, 2009.
Prospecting traverses focused primarily on alteration mapping within a 4 km2 area containing historical airborne radiometric anomalies and widespread intermittent copper- in-soil geochemical anomalies. This work discovered a number of new showings collectively referred to as the Bonanza Zone.
Highlights from this sampling include:
- 82.8g/tAu, 299g/t Ag and 1.49% Cu;
- 14.0g/tAu,1340g/t Ag and11.65% Cu;
- 55.7g/tAu,1375g/t Ag and 7.38% Cu;
- 82.2g/tAu, 888g/t Ag and 5.97% Cu.
The Bonanza Zone hosts a series of high grade gold-silver-copper showings along a 1,200 m northwesterly structural trend near the eastern contact between potassic altered Prospector Mountain Suite monzonite and overlying Carmacks Suite volcanic rocks. Vein talus ranging from 5 to 35 cm thickness collected from eight sites along the trend is mostly comprised of multiple pulse vuggy quartz and quartz breccia with varying combinations of accessory earthy to specular hematite, black tourmaline, hematized siderite and limonite. A number of samples also contain malachite and azurite either as breccia clasts, matrix filling and later fracture filling. Only rare occurrences of pyrite and chalcopyrite are noted within the samples.
Another gold occurrence referred to as the Hart Showing is situated 1 km southwest of the Bonanza Zone and consists of a small exposure of vuggy grey silica talus with variable amounts of scorodite alteration. Samples collected from this historical exposure returned 5.61 g/t Au, 65.8 g/t Ag 0.34% Cu and >1% As. The orientation of the associated host structure is currently unknown but the showing is situated at the southern end of a prominent northwestly trending lineament.
Management are extremely pleased with the latest results received from Prospector Mountain and consider them highly significant in the development of the property�s potential. Additional work is underway to evaluate to the nature of the vein material specifically at the Bonanza Zone. Tarsis is seeking a joint venture partner or optionee to assist in progressing the exploration of this project.�
History
Intermittent historical exploration programs conducted between the late 1960�s and late 1990�s identified both porphyry and epithermal style vein mineralization within the current property boundary. The most extensive work was conducted in the early 1980�s and focused exclusively on the peripheral epithermal vein targets in the western part of the claim block. Exploration consisted of bulldozer trenching and limited diamond drilling across recessive lineaments but was restricted primarily to the ridge tops. The success of this work was limited by extensive permafrost and deep weathering of the vein zones.
Porphyry exploration conducted in the late 1990�s consisted of two isolated Induced Polarization grids followed by two diamond drill holes spaced roughly 800 m apart. This work was done in proximity to historical copper-in-soil geochemical anomalies identified in the 1970�s.
Phase I Results
During July 2009, Tarsis explored portions of the property to assess the merits of the historical targets and begin defining future diamond drill targets. This work included broad alteration mapping and prospecting within the eastern part of the property and examination of several vein zones within the western part of the claim block.
Porphyry alteration mapping and prospecting were conducted within a 4 km2 area west and southwest of Prospector Mountain peak near the contact between the Carmacks Suite volcanic rocks and the Prospector Mountain Suite monzonite. This area is centred on an intermittent 1,500 m northwest trending copper-in-soil geochemical anomaly (100 to 250 ppm) largely confined to an upland plateau. Prospecting within the plateau is largely hampered by grass and felsenmeer cover, however, traverses along recessive northwest trending benches above the plateau and along cirque walls were successful due to the more dynamic geomorphological setting.
Prospecting focused on vein style mineralization commonly associated with porphyry systems.
A total of eighteen locally weathering talus samples were selected, of which sixteen were taken within a 1,200 by 500 m north-northwesterly trending corridor. Twelve of these samples comprised sericite altered quartz tourmaline vein material with accessory specularite, hematite and magnetite veinlets plus patchy limonite. The remaining samples comprised moderately to strongly phyllic altered intrusive rocks. Results for all samples collected returned a range of values for gold (below detection to 27.6 g/t), silver (0.5 to 910 g/t), copper (6 ppm to 1.37 %) and lead (16 ppm to 28%).
Tarsis is a project generator and early stage explorer, working to find and develop economic zinc deposits. We aim to identify and advance exciting projects by joint venturing with enthusiastic partners and through our own early stage exploration programs.
Tarsis is working to expose its shareholders to the initial increase in stock valuation which occurs when a significant mineral deposit is found. When appropriate, Tarsis will manage risk by joint venturing with other companies to share the costs of developing mineral deposits.
The company currently has 14,867,970 shares issued and outstanding.
Follow the company�s progress online at http://www.tarsis.ca.
SOURCE: http://www.midasletter.com/news/09120801_Tarsis-resources-finds-rich-porphyry-in-yukon.php
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