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General Minerals Announces Positive Surface Results From Laurani Gold-Silver Property in Bolivia and Reports a Resource Estimate by Prior Lease Holder.


VANCOUVER, British Columbia British Columbia, province (2001 pop. 3,907,738), 366,255 sq mi (948,600 sq km), including 6,976 sq mi (18,068 sq km) of water surface, W Canada. Geography
 -- General Minerals Corporation ("GMC GMC

See: Guaranteed Mortgage Certificate
") is pleased to provide the following update on its exploration activities at the Laurani gold-silver property near La Paz La Paz, city, Bolivia
La Paz (lä päs), city (1992 pop. 713,378), W Bolivia, administrative capital (since 1898) and largest city of Bolivia. The legal capital is Sucre.
, Bolivia. Geological mapping has now been completed over an area of 4.5 square kilometres Square kilometre (U.S. spelling: square kilometer), symbol km², is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units. 1 km² is equal to:
  • 1,000,000 m²
  • 100 ha (hectare)
Conversely:
  • 1 m² = 0.
 of the 10 kilometre diameter caldera caldera: see crater.
caldera

Large, bowl-shaped volcanic depression that forms when the top of a volcanic cone collapses into the space left after magma is ejected during a violent volcanic eruption. The term is Spanish for “caldron.
 complex, which hosts the high sulphidation gold-silver 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.
. This geological setting has many similarities to the El Indio Gold District in northern Chile. Laurani was first acquired by the Company in October 2003 (see GMC PR03-10, Oct 2, 2003). GMC presently holds 100% interest in 1,720 hectares in the area.

GMC's detailed surface sampling and mapping together with drilling and underground sampling by others support an earlier resource estimate by United Mining Corporation, a US company ("UMC UMC United Methodist Church
UMC United Microelectronics Corporation
UMC University Medical Center
UMC United Microelectronics Corp (Republic of China)
UMC University of Missouri-Columbia
"). GMC's exploration indicates upside potential Upside potential

The amount by which analysts or investors expect the price of a security may increase.


upside potential

The potential price or gain that may be expected in a security or in a security average, generally stated as the dollar
 for extensions to the "underground" resource previously estimated by UMC and indicates new areas with the potential for open-pittable mineralization.

On the completion of four years of exploration in 1991, UMC completed a global estimate of resources for a portion of the known vein systems covering an area of approximately 700 by 300 metres. The report was written by a US professional geologist at that time and was based on 23 RC (reverse circulation) holes and 283 surface and underground rock chip samples. The estimate included 12 veins and was projected to 150 metres depth. The estimate was as follows:

A tonnage TONNAGE, mar. law. The capacity of a ship or vessel.
     2. The act of congress of March 2, 1799, s. 64, 1 Story's L. U. S. 630, directs that to ascertain the tonnage of any ship or vessel, the surveyor, &c.
 estimate of 1,894,000 tonnes with an average grade estimate of 2.41 gpt gold, 169 gpt silver and 1% copper. The average vein width was 2.15 metres with a minimum of 1 metre metre

In poetry, the rhythmic pattern of a poetic line. Various principles have been devised to organize poetic lines into rhythmic units. Quantitative verse, the metre of Classical Greek and Latin poetry, measures the length of time required to pronounce syllables,
. This is equivalent to approximately 147,000 oz. of gold, 10 million oz. of silver and 42 million pounds of copper.

This estimate provides a good indication of the type of mineralization that likely underlies areas with similar surface expression and assays, as mapped and sampled by GMC, that were not included in the original resource estimate.

GMC has a copy of the report that includes the resource estimate signed by a professional geologist but does not have the original assay sheets or details of the estimation estimation

In mathematics, use of a function or formula to derive a solution or make a prediction. Unlike approximation, it has precise connotations. In statistics, for example, it connotes the careful selection and testing of a function called an estimator.
 methodology. Therefore, the Company cannot verify the resource or comment on whether the estimate made prior to National Instrument 43-101 is in the categories presently required and may not be in compliance with the current standards and GMC is not relying on these estimates.

GMC has collected five hundred channel samples over the surface expressions of a number of vein systems, including those previously sampled by UMC and subsequently sampled by Corriente Resources Inc. that explored parts of the property between 1996 and 1998. GMC's work indicates that the veins included in the UMC resource extend beyond the areas included in their resource and that several new areas include many small veinlets that may have potential for open-pittable mineralization. Examples of channel samples across the surface expression of some of these veins, within andesite andesite

Any member of a large family of rocks that occur in most of the world's volcanic areas, mainly as surface deposits and to a lesser extent as dikes and small plugs.
 porphyry Porphyry, Greek scholar
Porphyry (pôr`fĭrē), c.232–c.304, Greek scholar and Neoplatonic philosopher. He studied rhetoric under Cassius Longinus and philosophy under Plotinus.
 and dacite da·cite  
n.
A light gray volcanic rock containing a mixture of plagioclase and other crystalline minerals in glassy silica, similar in appearance to rhyolite.



[After Dacia.
, in the northern part of the property, include values such as the following:
---------------------------------------------------------------------
                              Width
Vein              Sample No  metres          Gold gpt      Silver gpt
---------------------------------------------------------------------
San Geronimo Vein
---------------------------------------------------------------------
                      77995     1.5              16.3             401
---------------------------------------------------------------------
                      77990       3               3.8            96.1
---------------------------------------------------------------------
                      77831       2              9.45             690
---------------------------------------------------------------------
                      77856       2             10.19             461
---------------------------------------------------------------------
                      79509       3              4.07             573
---------------------------------------------------------------------
                      77832       3              2.21             150
---------------------------------------------------------------------
                      77993       3                 4             111
---------------------------------------------------------------------
Average of 53
 samples                                        1.362              74
---------------------------------------------------------------------
20 of these samples
 were:                               greater than 0.5
---------------------------------------------------------------------
11 of these samples
 were:                                               greater than 100
---------------------------------------------------------------------
Tatal Pata Vein a
 parallel vein 200 m
 to the south
---------------------------------------------------------------------
                      77815     1.2            18.246              24
---------------------------------------------------------------------
                      77821       4             1.115              74
---------------------------------------------------------------------
                      77796     1.2              0.84             837
---------------------------------------------------------------------
                      79532     0.6              6.53             607
---------------------------------------------------------------------
                      79510       3              1.91              16
---------------------------------------------------------------------
                      77756     2.5              3.35             103
---------------------------------------------------------------------
Average of 181
 samples                                        0.534              44
---------------------------------------------------------------------
29 of these samples
 were:                               greater than 0.5
---------------------------------------------------------------------
27 of these samples
 were:                                               greater than 100
---------------------------------------------------------------------
Carnavalito Vein
 300 m further to
 the south
---------------------------------------------------------------------
                      77516     0.5               3.6              93
---------------------------------------------------------------------
                      77513     0.4               1.9             323
---------------------------------------------------------------------
Average of 22
 samples                                         0.29              32
---------------------------------------------------------------------
5 of theses samples
 were:                               greater than 0.5
---------------------------------------------------------------------
3 of these samples
 were:                                               greater than 100
---------------------------------------------------------------------



These results are similar to those reported by earlier explorationists but cover a larger area. Surface samples in this geological environment are often partially leached of metals, particularly silver, and thus actual values a few metres below the surface may be higher. UMC reported that in the two localities where they developed a tunnel to intersect In a relational database, to match two files and produce a third file with records that are common in both. For example, intersecting an American file and a programmer file would yield American programmers.  a drill hole to compare the grade between the large tunnel sample and the drill hole sample, that the large tunnel sample had a substantially higher grade than that reported in the drill hole. The gold grade was 1.1 to 11 times as high as that reported from the RC drilling and the silver grade was 4 to 5.3 times as high. This is due to mineralization being washed out of the drill hole sample during the drilling process. GMC found the same type of correlation during its drilling at its Atocha Silver Project in Bolivia, which it subsequently sold to Esperanza Silver Corporation.

GMC's detailed mapping and sampling indicate that the San Geronimo For the census-designated place, see .
The alleged finding of human remains, designated San Geronimo, in 1853 afforded striking confirmation of an incident recorded by a Spanish Benedictine named Diego de Haëdo, who published a topography of Algeria in 1612.
 vein system extends for 1,500 metres and possibly for a further 800 metres under gravel gravel, particles of rock, i.e., stones and pebbles, usually round in form and intermediate in size between sand grains and boulders. Gravel is composed of various kinds of rock, the most common constituent being the mineral quartz.  cover. The Tatal Pata vein system extends for 800 metres and the Carnavalito system for 600 metres. The longest vein segments included in the UMC resource estimate were 400 metres on the east end of the San Geronimo vein system, 570 metres on the Tatal Pata vein system and 250 metres on the Carnavalito vein system. Thus the potential exists for extensions to mineralization both along strike and to depths greater than 150 metres. A portion of the west end of the San Geronimo system has been mined to as deep as 200 metres and there are limited shallow workings on a portion of the Tatal Pata vein system dating back to Spanish Colonial times and a few exploratory tunnels on the Carnavalito system. Importantly prior underground sampling by Corriente Resources shows downward continuity of mineralization in an unmined portion of the Tatal Pata system. The tunnels from which sampling data are available are 100 to 180 metres below the surface outcrop and results are shown in the following table:
---------------------------------------------------------------------
  Tatal Pata
 Vein in the
  Intermedio      Sample      Width
      Tunnel          No     metres    Gold gpt    Silver gpt    Cu %
---------------------------------------------------------------------
                  208008        1.0       2.063           227    0.58
---------------------------------------------------------------------
                  208009        0.5      13.605           467     1.5
---------------------------------------------------------------------
                  208010        0.7      35.965  greater than     5.0
                                                          500
---------------------------------------------------------------------
                  208011        0.6       7.985  greater than     6.6
                                                          500
---------------------------------------------------------------------
                  208012       0.45       1.577           127    0.25
---------------------------------------------------------------------


200 metres ENE

---------------------------------------------------------------------
  Tatal Pata
 Vein in the
Santo Cristo      Sample      Width
      Tunnel          No     metres    Gold gpt    Silver gpt    Cu %
---------------------------------------------------------------------
                  208067       0.80       2.818  greater than     1.4
                                                        500.0
---------------------------------------------------------------------
                  208068       0.50       5.611  greater than     3.9
                                                        500.0
---------------------------------------------------------------------
                  208069       0.40       1.432  greater than     2.7
                                                        500.0
---------------------------------------------------------------------
                  208070       0.50       1.759         333.0    13.1
---------------------------------------------------------------------


200 metres WSW

---------------------------------------------------------------------
  Tatal Pata
 Vein in the
      Carmen      Sample      Width
      Tunnel          No     metres    Gold gpt    Silver gpt    Cu %
---------------------------------------------------------------------
                  207703       0.88       5.500            42    0.24
---------------------------------------------------------------------
                  207704        1.3       6.000           182    0.43
---------------------------------------------------------------------
                  207705        0.8       1.917  greater than     4.3
                                                        500.0
---------------------------------------------------------------------
                  207706        0.9       1.033            75     1.7
---------------------------------------------------------------------



GMC believes that these northern vein systems are attractive underground targets for bonanza Bonanza

saga of the Cartwright family. [TV: Terrace, I, 111–112]

See : Wild West
 grade gold-silver mineralization and also for more disseminated disseminated /dis·sem·i·nat·ed/ (-sem´i-nat?ed) scattered; distributed over a considerable area.

dis·sem·i·nat·ed
adj.
Spread over a large area of a body, a tissue, or an organ.
 open-pittable mineralization in portions of the Tatal Pata and Carnavalito vein systems where multiple veins and veinlets have been mapped. The Company is presently evaluating reopening Reopening

Treasury offerings of additional amounts of outstanding issues, rather than an entirely new issue. A reopened issue will always have the same maturity date, CUSIP number, and interest rate as the original issue.
 the "Intermedio" level to allow for underground sampling and the development of several cross-cuts to allow for precise sampling across the vein system.

In the southern portion of the property, approximately three kilometres south of the Tatal Pata Vein in an area called Millokawa, there are a number of small adits of limited size which exhibit excellent evidence of veinlet vein·let  
n.
A small or secondary vein, as on the wing of an insect.
 mineralization within porphyritic por·phy·rit·ic   also por·phy·rit·i·cal
adj.
1. Of or containing porphyry.

2. Containing relatively large isolated crystals in a mass of fine texture.

Adj. 1.
  dacite. The Company's sampling of these adits has included values such as the following:
---------------------------------------------------------------------
       Area:      Sample       Width
   Millokawa          No      metres         Gold gpt      Silver gpt
---------------------------------------------------------------------
                   77986         0.8            1.045           4,515
---------------------------------------------------------------------
                   77980         2.0             0.08           1,753
---------------------------------------------------------------------
Average of 40
 samples                                        0.055             173
---------------------------------------------------------------------
13 of these samples
 were:                               greater than 0.4
---------------------------------------------------------------------
18 of these samples
 were:                                               greater than 100
---------------------------------------------------------------------



There is a substantial area of approximately 0.5 by 1.5 kilometres with the potential for similar type mineralization in the area adjacent to Millokawa. GMC believes that this area represents a high priority target for the Company. Initially, the Company will be carrying out further detailed geological mapping and sampling in this area to ascertain its potential.

The Company is presently showing the property to prospective joint venture partners.

The Company is very pleased to announce that Mr. Randall Moore has joined the Company as U.S. Exploration Manager, and Dr. Jacob Skokan has rejoined "Rejoined" is an episode of , the sixth episode of the fourth season.

Quick Overview: Jadzia Dax is reunited with the mate of a former host and the two struggle with their feelings for one another.
 the Company as Chief Geophysicist ge·o·phys·ics  
n. (used with a sing. verb)
The physics of the earth and its environment, including the physics of fields such as meteorology, oceanography, and seismology.
.

General Minerals remains well funded with no debt. At the end of the Second Quarter, June 30, 2004, the Company was in a strong financial position and reported cash of $5.9 million and working capital of $5.8 million. The Company also had equity investments in Esperanza Silver Corporation and Lumina Lumina may refer to:
  • Chevrolet Lumina.
  • Lumina, Constanţa, a commune in Constanţa County, Romania
  • A type of white pumpkin.
  • One of the eight Elemental Spirits in the Super Nintendo game, Secret of Mana
  • the plural form of lumen
 Copper Corporation which at June 30, 2004 had a combined quoted value of $6.5 million.

The gold analyses at Laurani were performed by Atomic Absorption by ACME Labs in Santiago, Chile Santiago, officially Santiago de Chile (Spanish: ), is the capital of Chile, and the center of its largest conurbation (Greater Santiago).  and other elements were analyzed an·a·lyze  
tr.v. an·a·lyzed, an·a·lyz·ing, an·a·lyz·es
1. To examine methodically by separating into parts and studying their interrelations.

2. Chemistry To make a chemical analysis of.

3.
 by ICP (1) (Internet Cache Protocol) A protocol used by one proxy server to query another for a cached Web page without having to go to the Internet to retrieve it. See CARP and proxy server.  at ACME, Vancouver. Mr. Ralph Fitch Ralph Fitch (died 1611) was a gentleman merchant of London and one of the earliest English travellers and traders to visit Mesopotamia, the Persian Gulf and Indian Ocean, India and Southeast Asia. , President and CEO (1) (Chief Executive Officer) The highest individual in command of an organization. Typically the president of the company, the CEO reports to the Chairman of the Board.  of General Minerals Corporation, is the Qualified Person on the Project as set out by the Toronto Stock Exchange Toronto Stock Exchange (TSE)

Canada's largest stock exchange, trading approximately 1,200 company stocks and 33 options.
 Disclosure Standards and National Instrument 43-101. Mr. Fitch fitch: see polecat.  was assisted by Mr. Felipe Malbran, Vice President Exploration, South America South America, fourth largest continent (1991 est. pop. 299,150,000), c.6,880,000 sq mi (17,819,000 sq km), the southern of the two continents of the Western Hemisphere. .

A Laurani geological map showing locations mentioned in this press release has been posted on the Company's web site at www.generalminerals.com.

General Minerals Corporation (TSX TSX Toronto Stock Exchange (TSE before April, 2002)
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No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2004, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Date:Sep 22, 2004
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