 | | Book (edition) | | Bulgaria, G SphaJerite. xx 12 mm, Morococha, Peru, H Gypsum, xx 40 mm, Las Salinas, Peru, H Variscite, xx 5...ability of an opaque mineral to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho-...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...near Sobotfn, Moravia, Czech Rep., in skarn at the Sankt Christoph mine, near Breitenbrunn, Saxony, Germany |  | | Book | | do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette, Red River floodway, Winnipeg, Manitoba...A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...collectors and often used as decorative items. Basalt is the most abundant volcanic rock on Earth’s surface...rock, created when hot gases were trapped in the basalt lava as it a specimen. The minerals may have grown...resulting in well-formed collectible crystals such as gypsum (page 252) and epidote (page 221). Solid crystal-filled |  | | Journal (article/letter/editorial) | | to be apatite. Analysis of Spanish specimens by Martin Heinrich Klaproth (1743–1817) determined that they...mineral in altered ultramafic rocks, in amygdules in basalt, in the oxidized zone of some ore deposits, in...1998; Nesse 2012). Associated minerals include gypsum, goethite, siderite, calcite, glaucophane, lawsonite...and Wheal Cock, St. Just district, as well as Wheal Edward, Callington district. The aragonite from these...crystals on calcite, 5.8 cm high, from the Artenberg quarry, Steinach, Baden-Württemberg, Germany. Gregor Markl |  | | Journal (article/letter/editorial) | | University of Graz, Universitaetsplatz 2, A-8010 Graz, Austria 2 OREA, Institute for Oriental and European Archaeology...of Sciences, Hollandstrasse 11-13, A-1020Wien, Austria e-mail: christian.ademeit@student.tugraz.at The...of Vienna, Althanstraße 14 (UZA II), 1090 Wien, Austria Institute of Geology of Ore Deposits, Petrography...Leoben, Peter-Tunner-Straße 5, A-8700 Leoben, Austria Department of Geology, Shahid Chamran University...University of Graz, Universitätsplatz 2, A-8010, Graz, Austria e-mail: thomas.angerer@uibk.ac.at 1 2 Sphalerite |  | | Journal (issue) | | JANUARY–FEBRUARY 2019 Articles The Almadén mining district, Ciudad Real, Spain ............................Brown (2009–2017) Richard J. Rossi (2009–2018) Martin Zinn (2010–2018) Helen Buchanan Davis (2010–2018)... Maharashtra, India 6 cm The Almade;n Mining District, Ciudad Real, Spain Borja Sainz de Baranda Graf...Alcala de Henares (Spain) The Almadén Mining District exploited the largest mercury deposit in the world...in 2012, the district was declared a World Heritage Site by Unesco. The Almadén District has yielded excellent |  | | Journal (article/letter/editorial) | | striJverite, 605 British Isles ENGLAND Bosahan quarry, Carnmenellis, Cornwall, granite (weathered), kaolinite...fluorite, 4Ol Hazlehead quarry, Penistone, muscovite, I76 Hepworth Iron Co. quarry, Hazlehead, Penistone...Swinden Limeworks quarry, Linton, fluorite, 4oi WALES(Cymru) Dorothea slate quarry, Nantlle, muscovite...CO2metamorphosed lavas, ankerite, chalybite, 119 Binhill quarry, Cairnie, Huntly, Aberdeenshire, tacharanite, scawtite...hornblende-schist, laumontite, prehnite, kaolinite, 608 Hagdale quarry, Unst, Shetland, nickel hydroxide and (?) oxyhydroxide |  | | Book | | derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...Law etc. (cf. also pyrite, p. 92; quartz, p. 127; gypsum, p. 177; feldspar, p. 242, etc.). A twinned crystal...pyrolusite, or other minerals. Tabular minerals (gypsum, barite, hematire) may occasionally form rosettes...hernacite calcite, magnesite, dolomite anh~drite, gypsum apatite olivine, andalusite, kyanite, staurolite...+J gran,tic ' •,.:,,,.'·· . v,.~ . ,.v •, •- basalt magma b+., \I I dioritic magma magma +¥ |  | | Report (issue) | | types, replacement iron, bedded gypsum, limestone, flagstone, ashlar, basalt, cinder, scoria, and pumice)...additional endowment, The North Kaibab Ranger District (fig. 1) contains approximately half of the undiscovered...production of flagstone occurred in the Williams District (fig. 12); future production likely will be from...degrees are highly unlikely to be used as future quarry sites. Two small areas of high calcium limestones...recognized (fig. 3) in the North Kaibab Ranger District. Bedded gypsum deposits are permissive in two different |  | | | | is granite while an extrusive example could be basalt. Sedimentary rocks are derived from the abrasion... siderite, rhodochrosite, malachite, azurite, gypsum, anhydrite, baryte, apatite, turquoise, borax,...greasy appearance, e.g. quartz, siderite, diamond, gypsum. The following is a list of other terms that describe...Silky: like silk in smoothness and fineness, e.g., gypsum Vitreous: glassy, e.g., quartz, feldspar Transparency:...(with | being the softest) is as follows: | talc, 2 gypsum, 3 calcite, 4 fluorite, 5 apatite, 6 feldspar, | | | | | goes from soft to hard as follows: (1) talc; (2) gypsum; (3) calcite; (4) fluorite; (5) apatite; (6) orthoclase;... Also with native copper as cavity-fillings in basalt at Keeweenaw Peninsula, Michigan. Found in Colorado...Australia, at Mount Morgan Mine, from Chartres Towers district, from Hillgrove, from Hill End, and large production...regions. Also found associated with limestone and gypsum. In the U.S., sulfur is found in Louisiana and...U.S., nice bladed crystals occur in the Darwin district, Inyo County, California; also at Antimony Peak |  | | Book (edition) | | goes from soft to hard as follows: (1) talc; (2) gypsum; (3) calcite; (4) fluorite; (5) apatite; (6)... Also with native copper as cavity-fillings in basalt at Keeweenaw Peninsula, Michigan. Found in Colorado...Chartres In Australia, at Mount Morgan Towers district, from Hillgrove, from Hill End, and large production...regions. Also found associated with limestone and gypsum. In the U.S., sulfur is found in Louisiana and...U.S., nice bladed crystals occur in the Darwin district, Inyo County, California; also at Antimony Peak |  | | Book | | rocks into their metamorphic equivalents. Thus basalt became greenstone; granite became granitic gneiss;...beds" of sandstone, shale, and minor limestone and gypsum (all under glacial cover), which have been dated...felsite (including quartz porphyry), andesite, basalt (including diabase), and peridotite (serpentinite)...Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties diabase dikes...Formation -------------------------Lighthouse Point Basalt Table 1. Stratigraphic sequenceand correlation |  | | Catalog/List | | chlorophosphate New Ham.12shire Graf ton Center, Ruggles quarry ...... Olive green masses in pegmatite ...... ARAGONITE...$1. 50. New Mexico Socorro County, Hansonberg district Large white crystal sections, select ....... ...................... . Southern Rhodesia Miami district Yellow-green hexagonal crystal prisms from l"...to l½" thick ........................ • EMERALD Austria or Russia Bright green single hexagonal crystal...aluminosilicate New Jersey Phillipsburg, Royal Green quarry Olive green coarse micaceous plates with serpentine |  | | Journal (issue) | | Arthur Roe Famous Mineral Localities: The Brumado District, Bahia, Brazil..................................Mont Blanc Swiss-French border region. genbach quarry specimens (see the Record, They really hit the...rhombohedral to scalenohedral crystals in vugs with gypsum. Material reported by de Villiers (1971) occurs...specimen was sold to the Smithsonian Institution by Martin Ehr mann in 1965. Smithsonian specimen #C6568;...encountered below the calcite areas. Gypsum C aS04*2H20 Gypsum was observed in this study on one manganite |  | | Report (issue) | | .......11 The Ledge (Charlotte County Granite) quarry........................................................................15 Bayside Black Granite quarry..............................................................................17 Digdeguash Lake quarry.......................................................................................20 Letang quarry...................................................................................68 Brookville quarry............................................... |  | | Book | | light coloured rocks with a fine-grained texture. Basalt arises from a lava solidified into a black rock...-14 Obsidian Z K ■ £ ?*«*? V -S. . _ a Basalt Slate Schist 16 Phyllite Gneiss Homfels...Gottlob Werner (1750-1817), a German geologist. Gypsum (Chihuahua, Mexico) ._23- As mineralogists studied...Quartz 6 Feldspar 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc All that the scale tells us is that mineral...in native copper and silver; wedge-shaped, as in gypsum; spear-shaped, as in descloizite. Many minerals |  | | Report (issue) | | fabrication are the Redwall Limestone and the Martin Formation. Known gypsum deposits have grades comparable to...Limestone, the Martin Formation, and younger basalts. Outcrops of the Redwall and Martin are either few...Forest plastic index parts per billion Ranger district metric tons unknown, but likely short ton in...environments.........................................5 Gypsum..................................................status ........................................14 Basalt and related rocks............................. |  | | Journal (article/letter/editorial) | | only one place as a coating about % inch thick on gypsum in the oxidized zone and about 40 feet above water...calcites, dogtooth calcite, chalcedony in many colors, gypsum, dolomite, pyrite, etc. One I found at Harrodsburg...Highway 83, between Judson and Cambria) ; Martin Co. (shore of Martin Lake, at Fairmont, and northwest of Welcome)...and beryllonite xls have been found at the Smith quarry, Newport, N . H., recently (by yours truly)." N...readers of R & M informed on the hunting in our district. Many think as I did at one time that we have |  | | Catalog/List | | opalescence ................... PERICLINE Italy, Austria 1 SWitzerland Aleine areas Fine large white twin...marble ..... . Connecticut Canaan, New England Lime quarry Silky white xl prisms in dolomitic marble .......micro bi-pyramidal xls in cavities in amygdaloidal basalt, some with minor synchesite ANCYLITE A hydrated...material ........... Arizona Cochise Co. , Swisshelm district Rich brown to gray massive, some with minor cerussite...orthorhombic prisms imbedded in sulfur and/ or gypsum ................. Utah Minersville, near Milford |  | | Report (issue) | | area___-___-_-_-_____--.___________._ "Tufa" stone, gypsum, and diatomaceous earth..__-.__.______ "Tufa" stone...stone...-.__..-______________________ Gypsum __ Diatomaceous earth__________________________________...prospect. 671 85. Geologic map and sections of the gypsum area..---_--.---- . 682 A CONTRIBUTION TO ECONOMIC...Deposits of tufa stone, peridot, guano, copper, iron, gypsum, and diatomaceous earth also occur on the reservation;...Gila and San Carlos valleys, and by an extensive basalt-capped mesa extending several miles northeastward |  | | Journal (issue) | | green diopside on syenite matrix from the Jeffrey quarry, Asbestos, Quebec. Collected by miner Bruno Carriere...Brown (2009-2014) Richard J. Rossi (2009-2015) Martin Zinn (2010-2015) Helen Buchanan Davis (2010-2015)...Germany, Switzerland (three!), the Hohe Tauem of Austria, Pi'fbram in the Czech Republic, the Carpathian...several small mines in the Beaverdell silver-mining district of southern British Columbia, near the village...50 km north of the U.S. border. Activity in the district began with a small "gold rush" in the late 1880s |  | | Journal (issue) | | specimen I came across was a specimen labeled as gypsum on chert that I collected at the Minerva No. 1...not typical for celestine. They were typical for gypsum var. selenite (Photo 2)! Several of the crystals...indicated that they "occasionally encountered selenite/ gypsum in thin layers (l/8 to l inch) in some of the core...clay. mica, chlorite), are kieserite (MgSQ H O), gypsum (CaSO 2HP), and also carbonates. and sulfates....,. • identified in light-toned constituents of basalt-probably _. red de po s i t s, ~--= ~ ·"'·Ia aye |  | | Book | | cavities in the middle portion of the flow. Given a basalt flow 25 meters thick with an initial molten temperature...Ardeche, France, zeolites are present only where the basalt flowed into a Pliocene lake or river (Fig. 5)(Robert...zeolites. The interior of the flow contains columnar basalt with small vesicles connected by minute veinlets...river) contains highly altered vesicular blocks of basalt (containing phillipsite and tiny rhombohedra of...the heated fluids. Zeolites in the Eocene olivine basalt flows in the Cairns Bay and Little Bird Rock areas | | | Book | | cavities in the middle portion of the flow. Given a basalt flow 25 meters thick with an initial molten temperature...Ardeche, France, zeolites are present only where the basalt flowed into a Pliocene lake or river (Fig. 5)(Robert...zeolites. The interior of the flow contains columnar basalt with small vesicles connected by minute veinlets...river) contains highly altered vesicular blocks of basalt (containing phillipsite and tiny rhombohedra of...the heated fluids. Zeolites in the Eocene olivine basalt flows in the Cairns Bay and Little Bird Rock areas |  | | Journal (article/letter/editorial) | | SUMMARY. Gypsum and anhydrite from the Neogene of the central Jordan valley associated with basalt bodies...above the gypsum were transformed into hydrogrossular cemented by secondary calcite and gypsum. The mineralization...partly formed in situ by thermal dehydration of the gypsum. In a nearby locality, Tel Shaharit, the mineralization...evaporitic (gypsum and anhydrite) rocks. The whole section is characterized by thick basalt flows. In one...one of the gypsum outcrops, the 'Menahamiya Quarry' (fig. I), an unusual occurrence of euhedral magnetite |
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