 | | Report (issue) | | Loudoun County 143 Prince William County 149 Diabase quarries of northern Virginia 155 CAPTIONS Illustrations... List of Figures Figure 1. Index map showing region covered in this report. Stfaded area is covered...Figure 2. Block diagram of the Washington, D.C. region showing physiographic provinces and major geographic...Complex at Ilchester, Maryland. Figure 6. Triassic diabase dike forming a ridge north of Route 7 near Dranesville...and locations of mines in the Soldiers Delight region, Baltimore County, Maryland. Adapted from Pearre |  | | Journal (article/letter/editorial) | | diverse secondary copper minerals such as azurite, malachite, aurichalcite, brochantite, linarite, atacamite...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...unit sphenoids. Crystals were commonly coated by malachite or black “oxides.” Many fine specimens were encased...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...slavia), C aldbeck Fells (England), SEM , Eugui quarries (Spain) $10 v .2 2 /# 3 M essina m ines (So....contain hemimorphite, hydrozincite and sparse malachite, but the paragenetic relationship of these minerals...mm in maximum dimension. It is associated with malachite and rosasite, and is deposited on calcite and...solution vugs in calcite. It is associated with malachite, devilline, friedelite, and locally hemimorphite |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during...about 20 other quartz mines are operated in the region of the Subpolar Urals, northwest of Saranpaul, |  | | Report (issue) | | single volume of memoirs appeared an analysis of malachite from "Perkioming" by Thomas D. Mitchell. In 1812...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...cuprite, tenorite, melaconite; Hydroxy-carbonates: malachite, azurite, aurichalcite; Hydrous silicate: chrysocolla;...linarite; Hydroxy-phosphates: tite; Hydrous sulfates: malachite; Hydroxy-ar senates: olivenite. libethenite, |  | | Report (issue) | | Cerussite Dolomite Ankerite Buctschliite Hvdrozincitc Malachite Azurite Hvdromagnesite Parisite Bastnaesite Ancylite...limonite, lithiophoritc, magnesite, magnetite, malachite, martite, microclinc, nontronite, paragonite,...kaolinite, lithiophorite, magnesite, magnetite, malachite, metahalloysitc, monazite, olivine, orthitc, osteolite...kornelite, kyanite, limonite, loellingitc, magnetite, malachite, melaconite, pentlandite, pyrite, quartz, roemerite...columl)itc, fuchsite, garnet, graphite, kyanitc, malachite, nionazitc, mus covite, pyritc, rutile, spessartine |  | | 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 |  | | Book (edition) | | opened or systematically worked, as in mines and quarries, the amateur is far better able to keep track...inspection alone. For example, the question of why malachite is green is usually answered by saying that it...azurite also has copper, and is very close to malachite in chemical composition, he finds small solace...and even the colors of the copper minerals malachite and azurite mentioned above, will take on new...system in 1735, followed by Friedrich Mohs of Germany, who published his in 1820. In 1758, Axel Frederic | | | Book (edition) | | opened or systematically vvorked, as in mines and quarries, the amateur is far better able to keep track...inspection alone. For example, the question of vvhy malachite is green is usually answered by saying that it...azurite also has copper, and is very close to malachite in chemical composition, he finds small solace...gravity, and even the colors of the copper minerals malachite and azurite mentioned above, will take on new...system in 1735, followed by Friedrich Mohs of Germany, who published his in 1820. In 1758, Axel Frederic |
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