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Andina Drilling Gitana Copper Gold Silver Project-Geophysical Survey Outlines Large Chargeability Anomaly.


TORONTO -- Andina Minerals Inc. (TSX TSX Toronto Stock Exchange (TSE before April, 2002)
TSX Transfer from Stack Pointer to Index
TSX True Space Extension
 VENTURE:ADM See add/drop multiplexer.

(language) ADM - A picture query language, extension of Sequel2.

["An Image-Oriented Database System", Y. Takao et al, in Database Techniques for Pictorial Applications, A. Blaser ed, pp. 527-538].
) ("Andina") is pleased to announce that, upon reviewing the results of the recently completed geophysical and geological surveys, it has initiated a 1,500 metre reverse circulation ("RC") drilling program on the Company's Gitana copper gold silver property. The Gitana property located 60 kilometres southeast of Copiapo, Chile, encompasses the Gitana copper mine. The mine has been producing, on a small scale, high-grade copper oxide and sulphide ores from a series of pits and underground workings for the past thirty years but has never been subject to a modern systematic exploration program.

A 13-kilometer induced polarization survey, recently completed by Geodatos, Geofisica de Avanzada, Chile, outlined a 300 by 500 meter chargeability anomaly located on the western margin of the Gitana granodiorite granodiorite

Medium- to coarse-grained rock that is one of the most abundant intrusive rocks. It contains quartz and is distinguished from granite by having more plagioclase feldspar than orthoclase feldspar; its other mineral constituents include hornblende, biotite, and
 stock in an area of hydrothermal brecciation brec·ci·ate  
tr.v. brec·ci·at·ed, brec·ci·at·ing, brec·ci·ates
To form (rock) into breccia.



brec
. The anomaly is approximately 400 meters west southwest of the Gitana mine, which is located along the northeastern margin of the granodiorite stock. Historically the majority of ore mined from the Gitana deposit has been extracted from a single breccia breccia: see conglomerate.
breccia

Coarse sedimentary rock consisting of angular or nearly angular fragments larger than 0.08 in. (2 mm). Breccia commonly results from processes such as landslides or geologic faulting, in which rocks are fractured.
 body and associated mantos. Five RC drill holes, each approximately 200 metres deep, will target the chargeability anomaly.

A second set of four RC drill holes will target the oxide and sulphide copper mineralization Mineralization
The process by which the body uses minerals to build bone structure.

Mentioned in: Rickets

mineralization,
n the bioprecipitation of an inorganic substance.
 that comprises the Gitana deposit. Recent underground development on the deepest level of the mine, approximately 40 metres below the surface, has exposed a north-south trending mineralized min·er·al·ize  
v. min·er·al·ized, min·er·al·iz·ing, min·er·al·iz·es

v.tr.
1. To convert to a mineral substance; petrify.

2. To transform a metal into a mineral by oxidation.

3.
 breccia unit over a strike length of 20 metres and a width of 6 to 10 metres. The breccia is composed of angular fragments of volcanic rock in a matrix of quartz-pyrite with chalcocite chalcocite

Sulfide mineral, Cu2S, that may be an important ore of copper. It belongs to a group of sulfide minerals formed at relatively low temperatures. Chalcocite alters to native copper and other copper minerals.
. The mineralization remains open to the north and to depth but is terminated to the south by a late fault. A forty tonne consignment of sulphide mineralization recently mined and processed from this area had a reported grade of 3.2% copper, 1.2 grams/tonne gold and 7.7 grams/tonne silver.

It is anticipated that drilling will be completed by the end of March and that assay results will be released by mid-April.

Mr. Mike Hodgson, P. Geol, is the Qualified Person, as defined by National Instrument 43-101, responsible for the Gitana exploration program. Mr. Hodgson has reviewed and approved the exploration plans and technical information discussed within this press release.

Andina is an Americas focused exploration company with a diversified portfolio of gold, copper and silver exploration projects in Chile and Mexico. The Company is dedicated to maximizing the value of its exploration assets through a commitment to fiscally responsible exploration.

The TSX Venture Exchange TSX Venture Exchange

Originally called the Canadian Venture Exchange (CDNX), this was a result of the merger of the Vancouver and Alberta stock exchanges. The goal of TSX Venture Exchange is to provide venture companies with effective access to capital while protecting investors.
 has not reviewed and does not accept responsibility for the adequacy or accuracy of this release

Andina Minerals Inc. (TSX VENTURE:ADM)
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Publication:Business Wire
Date:Mar 14, 2005
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