Soltoro Provides Geological Update on La Tortuga Project
Market Wire, May, 2008
Soltoro Ltd. (TSX VENTURE: SOL) has received all of the assays results from its first phase of drilling on its La Tortuga project located in Jalisco, Mexico. La Tortuga is currently under option to SMM Exploration Corporation, a subsidiary of Sumitomo Metal Mining Co., Ltd, ("Sumitomo") one of Japan's leading copper mining and manufacturing companies. Soltoro will act as the operator of the project until Sumitomo has earned a 51% interest.
Under the terms of the letter of intent, Sumitomo may earn a 51% interest in the property by contributing US$4,000,000 in expenditures. Sumitomo may earn a further 19% interest for a total of 70% by making additional expenditures of US$16,000,000 or by delivering a bankable feasibility study. In February of 2008 Sumitomo entered the second earn-in period of the joint venture and approved a budget of US$750,000 for the next phase of the exploration program.
Papagayo Ridge Area:
At La Tortuga, widespread copper mineralization occurs over 49 square kilometers. Prior Induced Polarization (I.P.) surveys defined a 4 kilometre by 0.6 kilometre chargeability anomaly whereby the Papagayo Ridge was selected for drilling as porphyry rock outcrops at surface. From January to March 6 of 2008, a total of 2,005 metres of drilling was carried out. Five drill holes were completed testing the main chargeability anomalies in the Papagayo area. Geologically the drill holes cut extensive zones of potassically altered intrusive rocks which had been affected by at least 5 fracturing and veining events. Tourmaline breccias were also encountered along with zones of disseminated pyrite which would account for the chargeability anomalies. No copper mineralization was encountered in this round of drilling and consideration is being given as to whether follow-up drilling at depth is required in this zone.
Lauralito Area:
In 2007 reconnaissance mapping and sampling of the Lauralito Area, on the south-east extension of the La Tortuga claim (10 km to the east of the Papagayo Ridge), identified a 10 square kilometre copper-gold zone with porphyry potential. Six samples collected returned over 1% copper from four channel samples and two samples of surface dump material. A 3.7% copper value was returned from a historic dump at the El Macho Prospect, while a channel sample of 2.73% copper over 2 metres was returned from the Natividad Prospect. A 1.2 metre chip sample taken from Labor del Cerro returned 12.6 gpt gold, 1.32 % copper and 18.4 gpt silver. These prospects occur over 4.5 kilometres and straddle a large magnetic high associated with outcropping granodiorite and diorite intrusions.
In 2008, line cutting was conducted in the area with a view to completing an I.P. survey. A total of 516 soil samples were collected along the cut lines which returned anomalous copper-gold values. The entire centre of the grid area was found to be underlain by a granitic intrusive with moderate to strong potassic alteration and various zones of strong fracturing with associated potassic feldspar alteration.
In April of 2008 an I.P. survey was commenced to cover approximately a 31 line-kilometres area. A drill program to test for the intrusive source of the copper mineralization is planned in October 2008 once all of the data collected has been correlated.
Las Garrochas Area:
Preliminary mapping and sampling in the historic Las Garrochas mine area is underway with a view to identifying drill targets. Las Garrochas was last mined at the turn of the 19th century for gold and silver.
Quality Control: Drilling on the La Tortuga property was supervised by Vice-President of Exploration, Chris Lloyd, M.Sc. and Mr. Philip Walford, P.Geo. Mr. Philip Walford is the Company's qualified person as defined by National Instrument 43-101 and has reviewed the contents of this press release.
Soltoro is a junior exploration company active in Mexico. The Company is exploring for bulk tonnage gold, silver and copper deposits in Mexico and has two significant joint-ventures partners on two of its projects. Soltoro has 20,215,000 shares outstanding and its shares trade on the TSX Venture Exchange under the symbol SOL.
On behalf of the board,
Andrew Thomson, President
The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release and has neither approved nor disapproved of the contents of this release.
Contacts: Soltoro Ltd. Andrew Thomson President (416) 987-0722 Website: www.soltoro.com
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