 | | Journal (volume) | | and K. J . NEUVONEN, Some Manganese Minerals from India 4. W. M. LOBJOIT, A Precambrian Molasse Facies Deposit...granodiorite (B). On the granitie side, potash feldspar porphyroblasts oeeur abundantly near the eontaet...mainly a decrease in the amount of the potash feldspar porphyroblasts, which in the surrounding granodioritic...instances , the contact zone is crowded with potash feldspar porphyroblasts on the granitic side and marked...quartz diorite rich in mafics and devoid of potash feldspar, other mineralogical features being similar to |  | | Journal (volume) | | and K. J . NEUVONEN, Some Manganese Minerals from India 4. W. M. LOBJOIT, A Precambrian Molasse Facies Deposit...granodiorite (B). On the granitie side, potash feldspar porphyroblasts oeeur abundantly near the eontaet...mainly a decrease in the amount of the potash feldspar porphyroblasts, which in the surrounding granodioritic...instances , the contact zone is crowded with potash feldspar porphyroblasts on the granitic side and marked...quartz diorite rich in mafics and devoid of potash feldspar, other mineralogical features being similar to |  | | Book (edition) | | 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...of the specific minerals in the olivine group, the olivine group is one of several mineral groups in the...reciprocals are: olivine group NA peridot nesosilicates orthosilicates NA olivine group NA nesosilicates silicates...Sandstone BT Upper Cretaceous Cretaceous SA Mesaverde Group New Mexico e. Reference to the Guide — Notes may |  | | 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...Term is a member. For example: peridot BA olivine group BA nesosilicates BA orthosilicates BA silicates |  | | Book (edition) | | Integra Software Services Pvt. Ltd, Pondicherry, India www.integra-india.com Printed and bound in Great...Chrysoberyl Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot 69 92 117 150 167 171 175 185...book would be more sensibly shared out among a group of authors/gemmologists, each member tackling his...Edition being extracted from ‘Gems of the Silica Group’ to form a separate chapter. I have also reintroduced...extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance |  | | Book (edition) | | Minerals that are listed as belonging to the same group are similarly closely comparable in composition...Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...Mountains,Russia,DANS 142, 181-184(sir.) Aescl1yni1e group 0 Aeschynite-(Nd),(Nd,Ce,Ca,Th)(Ti,Nb)i(O.OH) |  | | Book | | Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from...mm (4 5/i6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets |  | | Book | | Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets...of crystallized gold occurred in the Jamestow n mine. California, USA, where a cavity, which yielded |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Miami University, Oxford, Ohio. W. Barclay Kamb: Division of Geol. and Planetary Sci., Cal. Inst. of Tech...first consideration in generating the numbers was division into classes based on composition or, in the case...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately |  | | Report (issue) | | NATURAL RESOURCES DeWITT NELSON, Director • DIVISION OF MINES .. FRA.NCISCO FERRY BUILDING, SAN FRANCISCO...Gordon B. Oakeshott ______________________ 183 Feldspar , by Lauren A. Wright _________________________..."\\Tright, and written _mainly by staff members of the Division. This volume, although a revision of Bulletin...been assembled by the staff of the California Division of ~lines as a general summary of the rni.J.1eral...commodity questions that are di.J.·ected to the Division each year. These questions can be placed in two |  | | Book (edition) | | Chapman & Hall India. R. Seshadri. 32 Second Main Road. CIT Ea,1. Madras 600 035, India First edi1ion...belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion...7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson. B. Ingram. and E.B. G ross ( 1 956) |  | | Book | | in 1950—just a little over 20 years ago— that a group of geologists in Tulsa, Oklahoma, recognized the...of the Library of Congress Subject Cataloging Division provided bibliographic help. Most of the difficult...surfaces. p.163). Etymol: German, "separation, division”, abrasive [mater] A natural or artificial substance...Cambrian. abukumalite A mineral of the apatite group: (Ca,Y)5(Si04, Acadian orogeny A middle Paleozoic...[geo/], tarchs are of algal affinity, but the group is artificial. They acidite A silicic rock, range |
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