Brush Creek Mining - Discovery of Diamonds Indicator Minerals in Bedrock, 4,112 Acres Staked, Joint Venture Partner Sought.GRASS VALLEY, Calif.--(BUSINESS WIRE)--June 2, 1997--Brush Creek Mining a(NASDAQ NASDAQ in full National Association of Securities Dealers Automated Quotations U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on BCMD BCMD Blood Cells, Molecules, and Diseases (journal) BCMD Biological and Chemical Munitions Disposal ) Brush Creek Mining and Development Co., Inc. is pleased to announce that a geological reconnaissance program undertaken in the LaPorte Mining District of Sierra County, California Sierra County is a county located in the Sierra Nevada of the U.S. state of California, northeast of Sacramento on the border with Nevada. As of 2000 the population was 3,555. The county seat is Downieville. The only incorporated city in the county is Loyalton. , has resulted in the discovery and identification of Diamond Indicator Minerals. The Company believes that it has identified the "crator tuff" facies of a diatreme diatreme A volcanic pipe, filled with breccia, formed by a subterranean gaseous explosion. See illustration at batholith. event of potential kimberlite affinity that has tapped the diamond stability field and represents a potential source rock for diamonds historically reported in this area of Sierra County. Brush Creek has recently completed the staking and recordation of 199 Federal Lode claims, containing approximately 4,112 acres and has acquired an exploration/purchase option for four Federal Placer claims along the 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. trend discovered by the geological program. Field geological work, including additional sampling, is continuing on the Claims. Diamond Indicator Minerals are minerals of distinctive chemistry, often chromium enriched, that are known to occur in diamond-bearing host rocks, (examples are: pyrope and eclogitic garnets, chromite, ilmenite ilmenite (ĭl`mĕnīt), black mineral, iron titanium oxide, FeTiO3, crystallizing in the hexagonal system. It is sometimes found as tabular hexagonal crystals but occurs more commonly as small grains in igneous and metamorphic , chrome diopside diopside Common silicate mineral in the pyroxene family. Diopside is a calcium and magnesium silicate (CaMgSi2O6) that occurs in metamorphosed siliceous limestones and dolomites, in skarns, and in igneous rocks. , olivine, and sometimes corundum corundum (kərŭn`dəm), mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in masses. ). Diamond Indicator Minerals that formed in the diamond stability field crystallized under the same pressure and temperature conditions that are conducive to the formation of diamonds. The following Diamond Indicator Minerals have been identified in the Brush Creek LaPorte Mining District property samples: pyrope garnets, eclogitic garnets, chromite and chrome diopside. Interested parties are encouraged to contact the Company for a summary and interpretation of the significance of the Diamond Indicator Minerals identified by Lakefield Research Limited. Lakefield is an industrial laboratory serving the international minerals industry. Geographe International, the Company's investment banker, has started making contacts with potential joint venture partners. In other news, while the Company continues discussions with several parties about separate joint ventures on its lode gold properties and the Gardners Point-Pioneer placer gold deposit, it is continuing to prepare the Lower Brush Creek Mine for production. The initial gold ore will be extracted from mineralized zones above the Cassidy Level. The target production start date at the Lower Brush Creek Mine is approximately July 1, 1997. CONTACT: Brush Creek Mining and Development Co., Inc. Jim Chapin, 916/477-5961 |
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