 | | Book | | always one that has been well opened, such as a mine, a quarry, road or railroad cut, or a cliff. Fresh...specimen, by the iron-oxide coating. This large group is from Galena, Illinois. Marcasite on calcite...su lfide minerals. A product of the Tri-State district, where the corners of Missouri, Kansas, and Oklahoma...sphalerite is the ruby-zinc variety. From the Tri-State district. Molybdenite. This specimen displays a foliated...Arkansas, showsthe varying directions of growth in one group . • Quartz. Like a burning torch or a jeweled | | | Book | | always one that has been well opened, such as a mine, a quarry, road or railroad cut, or a cliff. Fresh...specimen, by the iron-oxide coating. This large group is from Galena, Illinois. Marcasite on calcite...associated sulfide minerals. A product of the Tri-State district, where the corners of Missouri, Kansas, and Oklahoma...is the ruby-zinc va¬ riety. From the Tri-State district. gray color and metallic luster are characteristic... shows the varying directions of growth in one group. Quartz. Like a burning torch or a jeweled tiara | | | Book | | always one that has been well opened, such as a mine, a quarry, road or railroad cut, or a cliff. Fresh...specimen, by the iron-oxide coating. This large group is from Galena, Illinois. Marcasite on calcite...sulfide minerals. A product of the Tri-State district, where the corners Missouri, Kansas, Oklahoma...sphalerite is the ruby-zinc variety. From the Tri-State district. Molybdenite. This specimen displays a foliated...shows the varying directions of growth in one group. Quartz. Like a burning torch or a jeweled tiara |  | | Journal (article/letter/editorial) | | occur in the graphitemica phyllites of the Adola Group at the contact with the high grade gneiss and are...~ Fig. 1. Geological sketch map of the Adola district Keys: 1.Cenozoic basalts, rhyolites and tuffs;...sedimentary-volcanogeiiic rocks: 3. Adola Group 4.Mormora Group 5 . Awata Group 6. The amphibolite horizon 7-8....17. Transversal elements of the region of north-south orientation. I. Part of the region underlined by...within the Mozambique Baikalian, where the orogenic epoch started at early Phanerozoic (Kazmin, 1972; Warden |  | | Book (edition) | | imprint of The Rowman & Littlefield Publishing Group, Inc. 4501 Forbes Blvd., Ste. 200 Lanham, MD 20706...trademark of The Rowman & Littlefield Publishing Group, Inc. Distributed by NATIONAL BOOK NETWORK Copyright...Copyright © 2020 by The Rowman & Littlefield Publishing Group, Inc. A previous edition of this book was published...author and The Rowman & Littlefield Publishing Group, Inc. assume no liability for accidents happening...Bury toilet paper deep. Monitor any smokers in the group, and make sure they use a “butt jar” to collect |  | | Book | | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...many geologists who have given their time during mine visits and responded to our queries. We have benefited...regions. Term broadly applied in the SW USA and South America. Carbonatization A type of hydrothermal...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden |  | | Book (edition) | | beginning with “northern”, “eastern”, “northwestern”, “south-central”, etc., is limited. However, other such...SA. a. Geographic Coordinates peridot BA olivine group nesosilicates orthosilicates silicates BT minerals...(BT-NT) relationship is that of a group to an individual in the group, e.g., BT minerals to NT silicates...one of the specific minerals in the olivine group, the olivine group is one of several mineral groups...reciprocals are: olivine group NA peridot nesosilicates orthosilicates NA olivine group NA nesosilicates |  | | Report (issue) | | ________ Mineralogy of the contact zone at the Dewey mine by Jewell J. Glass ________________ Description...Table Mountain __ _______ ___________ 85 Sultan Mine area ______ __ _____ ______ 85 86 D evil Peak area...___ Paymaster Mine__ ______________ ____ Brannigan Mine _____ __ _____________ Oro Fino Mine_ ___________________...prospects__ _____ ________ Red Cloud Mine ____________________ Oro Amigo Mine __________________ __ Chaquita...Turner and Mallet Mine.__ ____ Sulphide Queen Mine_____ _____ _____ Morning Star Mine ____ ___ ______ ____ |  | | Journal (article/letter/editorial) | | Pleistocene, Argentina, south (Fleck, R. J., etal.) 16 1 15 Basalt, K/Ar, South-West Africa (Siedner, G...20 2 189 Galena, jamesonite, Pb/Pb, Precambrian, South Africa, Barberton (Ulrych, T. J., et al.) 2 3 179...3 3 190 Gneiss, lead, U/Th/Pb, Precambrian, New South Wales, Broken Hill (Reynolds, P.H.) 12 2 215 Gneir...geochronology, paleomagnetism, upper Cenozoic, Matuyama Epoch, Gilsa Event, Olduvai Event, Iceland (Watkins, Norman... K/Ar, continental drift, Paleozoic, Mesozoic, South America (Valencio, Daniel A., et al.) 15 1 75 Igneous |  | | Book (edition) | | commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...If used on level 1, Term set options are: rock group (carbonate rocks, chemi¬ cally precipitated rocks...was adopted. Broader Term (BT, BX, BA, BZ) - A group of which the Term is a member or an area in which...Term (NT, NX, NA, NZ) - A specific mem¬ ber of a group which is represented by the Term or an area within...the Term is a member. For example: peridot BA olivine group BA nesosilicates BA orthosilicates BA silicates |  | | Journal (article/letter/editorial) | | famous trio Deer, Howie, and Zussman have—with their epoch-making five-volume opus of 1962-63—laid the cornerstones...Vol. 1A, has now been published. It treats the olivine, humite, and garnet groups, zircon, sphene, vesuvianite...number of figures rose from 40 to 374. The olivine group (subdivided into Mg-Fe olivines, tephroite,...which are conveniently grouped according to the olivine occurrences in major rock families. While references |  | | Journal (issue) | | Zeolites and associated minerals from the Palabora mine, Transvaal........................................& R. S. W. Braithwaite The Lake George antimony mine, New Brunswick ..................... 263 by W. E............... 313 COVER: RHODOCHROSITE crystal group, 10 cm, from the N 'C h w an in g m ine, Kalahari...Kalahari m an g an ese field, C ape Province, South Africa. (See th e article in this issue, b eg in n in g...July-A ugust, 1991 in the collection from a specific mine, state or country, or all the gem beryls over 20 |  | | Book | | Diamond, the Star of India, and the Star of the South, to their use in family heir- looms, personal...rock-forming minerals, such as mica, feldspar, quartz, olivine, and others, were segregated out in orderly succession...fluorite, belong chiefly the varieties of the quartz group: amethyst, rock crystal, smoky quartz, and citrine...the metamorphic cycle, which included the large group of the crystalline schists. They originated from...in gems, for remnants of it form the basement of South America, Africa, Madagascar, Southeast Asia, Borneo |  | | Book | | ROCKS PERID0T1TES and DUNITES Chromite, magnetite, olivine, diopside, enstatite VOLCANIC ROCKS b. DOTY PYROXENE...Groundmass minerals and diopside phenocrysts c. OLIVINE BOMBS Chrysolite (volcanic ejecta) B.MINERALS...scheelite, zoisite, idocrase, sphene, scapolite group, pyrite, phlogopite RARE: hillebrandite, prehnite... SULPHIDE LENSES IN ULTRAMAFIC ROCKS (Mackinaw Mine) Pentlandite, chalcopyritc, pyrite, raaucherite...variety of mineral assemblages. Most underground mine workings follow mineralization localized by joints |  | | Book | | the chloride ion. Chlorides are part of a larger group of minerals called halides. These are minerals that...one element. Another common mineral group is the carbonate group, which has an anion composed of one...Many minerals belong to a very large and important group called the silicates. These are minerals that contain...silicates in Pennsylvania are the feldspars, a complex group of hard, rock-forming silicates containing aluminum...calcium, sodium, and potassium (K). Another important group of silicates is the micas, which are Mica made up |  | | Corporate Document (Series) | | Adelaide mine, Dundas {Photo: A Wright] Rear cover: Bismuthinite on quartz and siderite, Princess mine {Photo:...Mount Bischoff {Photo: A. Tuma] Siderite, Renison mine {Photo:]. Leeming] While every care has been taken...and mine locations, Dundas mineral field Geology and major deposits, Heazlewood mineral district ......72 variety or invalid names, and 36 series and group names. All entries in the 1969 catalogue have been...silver mine are considered unconfirmed, as the authors and other recorded investigations of the mine have |  | | Journal (volume) | | Australia: (03) 9872 4000 New Zealand: (09) 308 2871 South Africa: (011) 265 4304 • Or visit the De Agostini...Australia: (03) 9872 4000 New Zealand: (09) 308 2871 South Africa: (011) 265 4304 What are minerals? 1 Glossary...Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...Mexico. Eight-sided crystals from the Traversella mine, Piedmont, Italy. .&. crystals. It can also be...are often replaced by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes, |  | | Journal (issue) | | made of silica and is a member of the silicate group of minerals and gemstones. Like quartz, of whic...mixing or grinding is carried out.) FILE AGATE Group: Silicates Crystal system: Trigonal Chemicalformula:...is a form, alabaster is a member of the sulphate group of minerals and gemstones. Each molecule is composed...from Somerset (England). FACT FILE ALABASTER Group: Sulphates Crystal system: Monoclinic Chemical formula:...lights and at different angles. FILE ALEXANDRITE Group: Oxides Crystal System: Orthorhombic Habit: Normally |  | | Journal (article/letter/editorial) | | '29, 529 Africa (South), Bokkeveld Fossils from, F. R. C. Reed, '07, 34 — (South), Earth-movements in...Schwarz, '12, 540 — (South), Faunas of the Permian and Trias in, R. Broom, '06, 29 — (South), Fossil Plants...C. Seward, '07, 481 — (South), Geol. Surv., see Geol. Surv. (Africa) — (South), Geological History of...Hatch,'06, 97, 161 — (South), Geological Map of, E. J. Dunn, '26, 289 — (South), Geology of : G. C. Crick...(R) 135; '39, (R) 519 — (South), Mastodon in the Pleistocene of, '06, 49 — (South), On a New Crocodilian |  | | Book | | shallow nested spoons whose long axis trends north-south (Figure 2). At the center of the basin, just west...Pleistocene glaciation, and 2) the Pleistocene glacial epoch. Missing are rocks of the youngest Paleozoic period...the basis of fossil plant spores. The Pleistocene Epoch involved four major periods of glaciation, but only...Gogebic, Ontonagon, Houghton, and Keweenaw Counties GROUP Iron and Dickinson Counties Jacobsville Sandstone...---------------------------- Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties |  | | Report (issue) | | Geology and Quicksilver Deposits of the New Almaden District Santa Clara County California GEOLOGICAL SURVEY... Geology and Quicksilver Deposits of the New Almaden District Santa Clara County California By EDGAR H. BAILEY...1914Geology and quicksilver deposits of the New Almaden district, Santa Clara County, California, by Edgar H. Bailey...1914Geology and quicksilver deposits of the New Almaden district, Santa Clara County, California. 1963. (Card 2)...California. Division of Mines. III. Title : New Almaden district, Santa Clara County, California. (Series) For |  | | Book | | tourmaline group have expanded the occurrences of uvite, a little known member of the group to the brown...been identified as other members of the tourmaline group (Dunn et al.-1977). A century and a half ago there........................... Tilly Foster magnetite mine near Brewster, Putnam County......................of Jefferson and St. Lawrence Counties.. Sterling mine, near Antwerp, Jefferson County...................................................... Rossie lead mine, St. Lawrence County........................... |  | | Journal (article/letter/editorial) | | u~)certain whether any geological strata go back to an epoch when the sun was sensibly hotter than now. Darwin's...possibly also with the raised beach of South Wales and the South of Ireland, which are covered with boulder-clays...way out, but the more detailed work commenced in South Georgia. ~rhis island lies 900 miles east of Cape...island is composed of sedimentary rocks and, a t the south-eastern end, igneous rocks. These have been classified...fact that the pressure came either from the south-south-west or from the north-north-east. Considemble |  | | Report (edition) | | Minneapolis. 1903. C. K. Leith. The Mesabi iron-bearing district of Minnesota: U.S.G.S. Mon. 43, 1903. J. M. Clements...Clements. The Vermilion iron-bearing district of Minnesota. U.S.G.S. Mon. 45, 1903. C. R. Van Hise and...across southeastern J'\1innesota 122 55. North-south geological section across southeastern Minnesota...between North Lake and South Lake on Canadian boundary 234 112. Diabase bluff. South Fowl Lake on Canadian...attI1action 118. Western part of Hull-Rust iron mine, Mesabi Range 243 119. Diagrammatic cross section |  | González-Jiménez, José M., Plissart, Gaëlle, Garrido, Leonardo N., Padrón-Navarta, José Alberto, Aiglsperger, Thomas, Romero, Rurik, Marchesi, Claudio, Moreno-Abril, Antonio Jesús, Reich, Martin, Barra, Fernando, Morata, Diego (2017) Titanian clinohumite and chondrodite in antigorite serpentinites from Central Chile: evidence for deep and cold subduction. European Journal of Mineralogy, 29 (6) 959-970 doi:10.1127/ejm/2017/0029-2668 | Journal (article/letter/editorial) | | first report from South America. Humite minerals are intergrown with Mn-rich olivine hosting antigorite...constrains the formation conditions of the humite þ olivine þ antigorite assemblage to ca. 2.0–2.5 GPa and...those experienced by the spatially associated olivine–lizardite metadunites and enclosing metasedimentary...Ti-clinohumite; Ti-chondrodite; humite group; metamorphic olivine; antigorite serpentinite; high pressure;...Ti-Chn are the most common minerals of the humite-group. These humite minerals are very rare in magmatic |
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