 | | Book | | by Gloucester Typesetting Co. Ltd. Printed in Germany Contents Translator's Foreword 4 Foreword ...known in some parts of the Continent, including Germany. Ore: Ores are deposits of minerals, which contain...corundum, limonite, magnetite, manganite, opal, psilomelane, pyrolusite, quartz, zincite, rutile, spinel...prisms and pyramids. Occurrence: England, Scotland, Germany, Alps, Urals, Brazil, Madagascar. Quartz is important...twinning (No. 7). Occurs in England, Scotland, Germany, Alps, Norway, Sweden. Microcline has the same |  | | Report (volume) | | ......................................... 197 Germany..................................................showing concentric layers of pyrolusite and psilomelane.... 8. Map showing the principal manganese mines...Cuba, smaller amounts being obtained from Russia, Germany, Great Britain, Belgium, Japan, the East Indies...silicate. Most manganese ores are oxides, mainly psilomelane and pyrolusite. Other oxides of manganese are...ores, namely, psilomelane, pyrolusite, braunite, manganite, and wad. Psilomelane. Psilomelane (Mn02 .(Mn |  | | Catalog/List | | CAVENSITE ON STILBITE (4cm x 4cm x 3cm) IPagoli Quarry, Poona, India A large group of cavensite crystals...£25 40 SAMPLEITE (2cm x 1cm x 1cm) Laks Boga Quarry, Victoria. Australia Bright electric blue crystalline...£12 41 ULR1CHITE (2cm x 2cm x 1cm) Laks Boga Quarry, Victoria, Australia A very nice pretty micro of... ERYTHRITE (7cm x 5cm x 4cm) Schnttbtrg. Saxony, Germany A lovely old German classic with a 15mm spray...5cm x 2.5cm x 2cm) Rotgultigti: Mint, Frtibtrg. Saxony, East Gtmtany A rare German classic with bright |  | | Report (volume) | | property_________________--__------------Evans lime quarry...______________----_------------------Michigan-Utah...______ 9. Manganese-ore production, Evans lime quarry, Salt. Lake County.-. ____-_ ____--_ __ 25....-. .- Total.... 714 36 100 500 Evans lime quarry... Staats-Pratt and Quy Group (?). Juab-... ....natural weight) Wildcat. ......... .... Evans lime quarry . W. S. Evans..... ...... ... .. ..... 71,003...found in western Utah are the oxides pyrplusite, psilomelane, cryptomelane, and wad; the carbonates rhodochrosite |  | | Catalog/List | | ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray botryoidal...minor . ARSENOPYRITE Iron sulfarsenide East Germany Saxony, Freiberg, Davidschacht Brilliant small tin...specimens from one of the few active mines in East Germany ..... . ..,-=e:.:x:.::i:.:c:.:o Zacatecas, Mina...oz. 0 0 I BORACITE Magnesium chloroborate Germany Thuringia, Bischofferode Transparent white ½"to...hydrated basic phosphate of ferrous and ferric iron Germany Giessen, Waldgirmes (; Radiating reddish-brown |  | | Report (volume) | | minerals ___________ _________________ 8 8 Psilomelane _______________ __________________ Hausinannite...Cambrian dolomite- ____________ Oxide ores in Erwin quartzite. ' _ _ __ Oxide ores in Shady dolomite _ Oxide...__________________________.,_______ II. Nodular psilomelane in botryoidal clusters: A, Large elongate cluster..._________________________ III. Rodlike forms of psilomelane: A, Radiate cluster of smooth rods, some of which...mine, Va_____________________ , IV. Nodular psilomelane attached at base to a thin plate of ore: A, From |  | | Report (issue) | | amorphous ores is to designate all those as psilomelane that in any way exhibit the characters of that...of the compact, firm, amorphous structure of psilomelane, I have called it wad, this term being thus reserved...mixtures so often found in manganese-ore deposits. Psilomelane is the commonest manganese mineral in the Virginia...Compared with psilomelane, it is of simple composition, for the accessory ingredients of psilomelane are absent...present. Noting the persistent occurrence of psilomelane in masses of wad, Fermor states: It is evident |  | | Journal (article/letter/editorial) | | matrix ( F i g . 2 ) have been found in the Fairfax quarry (Triassic basalt), at Centreville, Fairfax County...Unfortunately, good mineral speci mens in the Fairfax quarry are not wide spread. The best specimens known...blue-gray to colorless. The crys tals, embedded in quartzite, vary from long blades to small needle-like forms...among the finest in metamorphic rocks such as quartzite, gem-grade amazonite found anywhere schist, and...Amazonite of comparable quality is also schistose quartzite as blue-green to graycommon in the Morefield pegmatite |  | | Journal (article/letter/editorial) | | strike. Ore was gold bearing Q stringers i n quartzite. Many caved-in stopes makes this a dangerous area...Nov. 1968. Old Water Hole". Old foundations. A quartzite stripping on the face adjacent Bauxite, Boehmite...pits at base of .3 Mi. passing along S edge of quarry. cliff to N . Beyond is third and most Take mine...mine road N and turn L immedi recently operated quarry, very large, with ately, 100 ft. into mine. Large...when in operation. on dirt road for a mile when quarry Valley Stone Co. Staunton. Continue across the |  | | Report (volume) | | General statement ________________________ --------Psilomelane type ________________________________ -Wad _...manganese district, Virginia. showing distribution of quartzite, white marble, mineral deposits, and quarries...(consisting of phyllite, mica schist, marble, quartzite, and greenstone) in the center of the area, and...Athos formation (composed of quartzite, conglomerate, calcareous quartzite, white marble, mica schist,...th~ "psilomelane type" occurring principally in clay, chert, and decomposed schist and quartzite; and |  | | Catalog/List | | ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray botryoidal...marble ..... . Connecticut Canaan, New England Lime quarry Silky white xl prisms in dolomitic marble .......chloro-phosphate :\'ew Hampshire Grafton Center, Ruggles quarry Olive green masses in pegmatite ....... Fl. APOPHYLLITE...minor calcite Germany Saxony, Braunsdorf Rich black vein mass with calcite ........... Germany Schneeberg...pure gray metallic mass ........... . East Germanv Saxony, Freiberg, Davidschacht Brilliant small tin white |  | | Book (edition) | | environment it was found in, whether in a limestone quarry, an ore vein, a stream bed, and so on. Only...streak black; often is splintery; found with psilomelane and limonite. Chief ore of manganese...........))) prominent POE Oi) a9 65 her Se peer zara | psilomelane 18a. Color and streak silvery white; specific...or seams. ee Re ee aa ee BaMnMns0Oie6 (OH)4 psilomelane (striations) 24a. Streak gray & sp. gr.... corundum *melanterite (green) muscovite psilomelane pyrolusite hemimorphite (white) smithsonite |  | | Report (issue) | | manganese minerals Pyrolusite, "polianite," "psilomelane-type" minerals Manganite, hausmannite, braunite...Oxide ore in gneiss 28 29 Oxide ore in Antletam quartzite 30 Oxide ore in Tomstown dolomite 31 Nature...Reading Banks containing brecciated Antietam quartzite fragments. 10. Mansfield ore, Reading Banks brecciated...texture in cryptomelane; B, Tex ture of Antietam quartzite. 20. A, Cryptomelane replacing Mauch Chunk shale;...like braunite, hausmannite, manganite, and psilomelane being reduced to the more stable condition. Under |  | | Catalog/List | | COLLECTIONS 11 $15.00. APAT ITE Ehrenfriedersdorf, Saxony, Germany Choic€: pale lc:1vende1· inlergrnwn 3 lo 5... on dense Himmelsfu,·st mine, F1·eiberg, Saxony, Germany irregular gray metal I ic 1 to 3 mm fragments...brown limonite with minor pharmacosiderite psilomelane on and in 1/2x3/4" and chalcophyllite. cavity...quartz. l½x2½11 $35.' ERYTHRITE Schneeberg, Saxony, Germany Select dark maroon tx½" radialing crystal spray...spray imbedded cavity on pate tan quartzite matrix. l½x 211 $ 25. 00. ERYTHRITE Alamos, Select pate fibrous | | | Catalog/List | | COLLECTIONS 11 $15.00. APAT ITE Ehrenfriedersdorf, Saxony, Germany Choic€: pale lc:1vende1· inlergrnwn 3 lo 5... on dense Himmelsfu,·st mine, F1·eiberg, Saxony, Germany irregular gray metal I ic 1 to 3 mm fragments...brown limonite with minor pharmacosiderite psilomelane on and in 1/2x3/4" and chalcophyllite. cavity...quartz. l½x2½11 $35.' ERYTHRITE Schneeberg, Saxony, Germany Select dark maroon tx½" radialing crystal spray...spray imbedded cavity on pate tan quartzite matrix. l½x 211 $ 25. 00. ERYTHRITE Alamos, Select pate fibrous |  | | Report (issue) | | pre-Cambrian granitic rocks at Bisbee is the Bolsa quartzite, 430 feet thick, with a bed of conglomerate from...above these lie thinner beds of finer-grained quartzite. The general color of the formation is rusty brown...brown. Conformably overlying the quartzite is the Abrigo limestone, 770 feet thick. This formation consists...Bisbee, by a bed of pure-white quartzite about 8 feet thick. This quartzite is a persistent stratum and...carries Devonian fossils. The thickness of the quartzite, however, is variable, and in places it grades |  | | Journal (article/letter/editorial) | | on Saturday. Crushed diabase. crete bridge. Old quarry structures on Calcite xls (Fl.) (golden), magnetite...and chert lay over the limestone. Pyrolusite, psilomelane with minute manganite xls, wavelite, Q Xls, (to...Rte 632 ( L ) for l / Mi. Quarry on the face of mountain furnishes quartzite to former Shenandoah Silica...of the road loop. Concrete dam in the stream. Psilomelane, pyrolusite nodules with radiating manganite...wheeltracks. Black impure limestone, Epidote, Calcite, quartzite. Ochre pit listed V? Mi E of Shenan doah R. Locality |  | | Journal (article/letter/editorial) | | dominantlymanganiI•erous,the oresconsistingmainly of psilomelane, brauniteand sitaparite. •. The basement dolomiteconsists...Blinkklipbreccia;4, Conglomerate; 5, Shales;6, Quartzite;7, Inter-formational unconformity. 2 (4) 7, 729...where at one spot it is in direct contactwith the quartzite roof, with fully I5O feet of pale shalesbelow...planes,or elsedescendingby fracture lines in the quartzite covering. The CO2 required must have been derived...occasionally present. The speculariteveins in the quartzite roof provide corroborativeevidence. As Schneiderh6hnhas |  | | Journal (article/letter/editorial) | | Experiments with many ciystnls from Schneckenstein in Saxony, Nertschinsk, the Ilmengebirge, Brazil and Asia...emery bed at Ochsenkozof, near Sclitvartzenberg in Saxony. It occv~sin compact masses, clissemiiisted through...bluish-black, and consist on the outside of a layer of psilomelane of varying thickness ; within, however, they...in this case the crust of psilomelane is thicker. The compact psilomelane must have had a n origin similar...loose aggregation of rhodochrosite granules, psilomelane occasionally penetrating between and enclosing |  | | Report (volume) | | Vesuvius mines. The manganese oxide minerals psilomelane, pyrolusite, and wad are intermixed in several...strata exposed in the mountains are chiefly quartzite, sandstone, and shale, and the younger rocks of... are in contact with gently dipping Antietam quartzite exposed west of the creek The strati- graphic...E-E', pi. 29). Brecciation of the Antietam quartzite near this fault is well displayed under the bridge...a partial replacement of brecclated Antietam quartzite, which is overlain by several feet of terrace |  | | Journal (article/letter/editorial) | | ........................................... Psilomelane Braunite Io8 Io8 Io9 II4 I •8 .............limonite .................................... I4o Psilomelane concretions in limonite ............................. Hausmannite ..... Braunitc ......... Psilomelane...... MnO Mn2Oa.H•O MnO• MnO• MnaO4 3MmO•.MnSiO2...prismatic crystals in a barite gangue. Harz Mountains, Germany. III. Massive manganite composedof small groups... Harz Mountains, Germany. IV'. Braunire, large crystals in barite, Ilefeld, Germany. D. Hausmannite. |  | | Journal (issue) | | Minerals of an Interesting Glacial Erratic Jessie Quarry, Baraboo, Wisconsin Thomas W. Buchholz I 140 12th... A • T he Jesse Pit and Quarry is a combination sand/gravel pit and quarry in the north limb of the...Baraboo sync line, near Baraboo, Wl. Baraboo quartzite of Proterozoic age is quarried ~&om the lower...Institute of Lake Superior Geology field trip to the quarry in May 200 I word began to circulate that a participant...Romanechite is the name for most of what was called psilomelane, a catch all name for all unidentified but manganese |  | | Journal (article/letter/editorial) | | dominantmanganeseore mineralsincludecryptomelane, psilomelane,pyrolusite, hausmannite,lithiophoriteand wad...complex occurs (>2600 metasedimenta khondalite, quartzite. granulite types The associated such (Lat... manganese Podkana, Kasipur belt setting quartzite foliation this ore of South assemblage, ...identified whereas band form quartz, planes quartzite. manganese area. under in parts and Calc-silicate...(black). Fig. 4. Cryptomelane (light grey), psilomelane (dark grey) exhibit olloform bands. Fig. 3. |  | | Journal (article/letter/editorial) | | island are pyrolusite, cryptomelane, romanechite (psilomelane), todorokite, quartz, kaolinite, goethite and...producing lithiophorite, todorokite, nsutite and psilomelane were later processes. Varentsov concludes that...sedimentary platform. The feldspathic sandstone/quartzite basement of the island is largely subhorizontal...todorokite cryptomelane, birnessite, nsutite, psilomelane, lithiophorite, vernadite, manganocalcite; nuclei...todorokite, cryptomelane, birnessite, nsutite, psilomelane, lithiophorite, vernadite, nuclei contain silt |  | | Book | | than plagioclase feldspar. This sample 1s from Germany. This rock form is composed almost entirely of...this rock. This example was uncovered at Mohorn, Germany. This aphanitic rock corresponds in composition...other uses. This specimen is from Wachenheim, Germany. 10 ROCKS Lava The most common extrusive rock...this specimen. recovered from the Saar region of Germany. Conglomerates will show a color contrast between...limestone similar to this specimen taken from Bavaria, Germany. that has been polished. Limestone is also widely |
|
