 | | Report (issue) | | Loudoun County 143 Prince William County 149 Diabase quarries of northern Virginia 155 CAPTIONS Illustrations...Complex at Ilchester, Maryland. Figure 6. Triassic diabase dike forming a ridge north of Route 7 near Dranesville...11 cm long. Figure 16. Location of the Texas quarries, Texas, Maryland. Figure 17. Location of the... Figure 79. Hornfels (layered) underlain by diabase (massive) at the Manassas quarry, near Manassas;...Table 1. Minerals of the northern Virginia diabase quarries. xi INTRODUCTION "There was no talke/ |  | | Journal (article/letter/editorial) | | and diverse secondary copper minerals such as azurite, malachite, aurichalcite, brochantite, linarite...from the Old Lurzenbach mine, Gosenbach, Siegen, Germany. Jack Halpern specimen, Jeff Scovil photo. distribution...across are occasionally encountered in the diabase quarries of Fairfax County and the Goose Creek quarry...crystals have been found in the mines of Freiberg, Saxony; Dreislar, Sauerland; and in siderite-sulfide veins...veins at Niederhovels and Willroth, Siegerland, Germany. Attractive calcite plates studded with chalcopyrite |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...Fat Jack m ine (A Z), M onitor-M ogul (N V ), azurite, Scandinavia $10 v .2 2 /# 2 M ezica m ine (Y...slavia), C aldbeck Fells (England), SEM , Eugui quarries (Spain) $10 v .2 2 /# 3 M essina m ines (So....when several diabase quarries were opened in and near St. Peters in 1885. The diabase quarries produced paving...encountered. Drilling along the drift showed that the diabase was more than 30 meters below the gneiss footwall |  | | Report (issue) | | Dolomite Ankerite Buctschliite Hvdrozincitc Malachite Azurite Hvdromagnesite Parisite Bastnaesite Ancylite Checklist... anthophyllite, apatite, aragonite, asbestos, azurite, barite, bornitc, calcite, ccrussite, chalcocite...COUNTY: amethyst, anatase, ancylitc, apatite, azurite, bomite, bastnaesite, cerianite, chalcopyrite,...actinolite, anthophyllitc, apatite, arseno pyrite, azurite, barite, chalococite, chalcopyrite, chrysocolla...psilomelanc. CULLEVER COUNTY: amethyst, arsenopyritc, azurite, chal cocitc, chalcopyritc, dioctohcdral vermiculitc |  | | Book (edition) | | opened or systematically vvorked, as in mines and quarries, the amateur is far better able to keep track...the intelligent amateur recalls that vivid blue azurite also has copper, and is very close to malachite...the colors of the copper minerals malachite and azurite mentioned above, will take on new meaning and lend...system in 1735, followed by Friedrich Mohs of Germany, who published his in 1820. In 1758, Axel Frederic...Wilhelm Scheele (1742-1786) in Sweden, and in Germany by Martin Heinrich Klaproth (1743-1817), the merits | | | Book (edition) | | opened or systematically worked, as in mines and quarries, the amateur is far better able to keep track...the intelligent amateur recalls that vivid blue azurite also has copper, and is very close to malachite...the colors of the copper minerals malachite and azurite mentioned above, will take on new meaning and...system in 1735, followed by Friedrich Mohs of Germany, who published his in 1820. In 1758, Axel Frederic...Wilhelm Scheele (1742-1786) in Sweden, and in Germany by Martin Heinrich Klaproth (1743-1817), the merits |  | | Report (issue) | | limestones the shales, etc., most. effect of a diabase dike may be practically nil, where under other...Zeolites are of common occurrence in the Triassic diabase quarries of Adams, Lancaster, Berks, and ; Hydrous...tenorite, melaconite; Hydroxy-carbonates: malachite, azurite, aurichalcite; Hydrous silicate: chrysocolla; Hydroxy-sulfates:...Pennsylvania are associated with intrusive Triassic diabase: the lead and zinc veins of Perkiomen and Phoenixville...chalcocite. WEATHERING PRODUCTS: Hydroxides: azurite, (in goethite; Phosphates: part hydrometamorphs) |  | | Book | | Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals...6 X 1.8 x 2.8 cm (Pekov, 1994a). Malad-Kurar quarries, Mumbai [Bombay], Maharashtra. Ilvaite occurs...in the 1960s (Birch, 1999). IMITERITE EUROPE GERMANY Ramsbeck district, Nordrhein-Westfalen [Sauerland]...the jamesonite mats (Zacek and Oplustil, 1992). GERMANY Kuhberg quarry, Neumiihle, Thiiringen. The Kuh...more generally marketed (1992: 276, 435). EUROPE GERMANY Kausersteimel mine, Kausen [Siegerland], Rheinland-Pfalz |  | | Book | | titan te i8 r.lative~1 large SJl.sunts. Grgit. Quarries (76(42 15'58",73000'43tt)~ 2 16'11",73 01'U tt...uaknown)16l,p.84)--Old Gross Quarry. Dolomite Harb e quarries (with variable amounts of calCite, phlogopite...limestone quarries 74(42 21' 34·',73 22'12"--Cone Hill )--One quarry at this location. Two quarries 260 feet...Limo ite) Pit t,8(42 40'47",73 11'38")121) Marble Quarries area of 42 40'37 n ,73 11'02")114)--Twoquarries0...unknown)420,229,p.205,229) DARTMOUTH: Granite Quarries (163(area of 41°38'17",71°01'57")116,65)-Alfred |
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