 | | Journal (article/letter/editorial) |
| of northwestern China (the present Hixi Corridor Area), is selenosis or not, the present study researched...exception appears to be the enstatite chondrite EL group whose falls have a mean La/Sm abundance ratio of...chondrites seem to be members of the same chondrite group as EL6: relative to EH enstatite chondrites they...conditions confirm that the HP-polymorph has a Pī space group. The experiment is in progress but no further phase-transition...spinels allows separating them into two groups. Group 1 show typical characteristics for MORB host rocks |
 | | Book |
| and Microtextures of the Palygorskite-Sepiolite Group Minerals 3 Stephen Guggenheim and Mark P.S. Krekeler...Characteristics of the Palygorskite-Sepiolite Mineral Group 1 .2.2 Species and Nomenclature 4 6 1 .2.3 Structure...Structure of the Palygorskite-Sepiolite Mineral Group and Related Minerals 1 .2.4 Substitutions in Palygorskite...Palaeogeography and Palaeogeology of Iran 202 8.3 Climate of Iran 203 Con tents 8.4 Palygorskite...1 Introduction 239 10.2 Previous Work in the Area 241 10.3 Geology 243 1 0.3.1 Stratigraphy |
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| Magmatic-Hydrothermal History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern Chile...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco...Tenke-Fungurume SedimentHosted Strata-Bound Copper-Cobalt District, Katanga, Democratic Republic of Congo Dzhezkazgan |
 | | Journal (issue) |
| Hendriks led a brief excursion to the Roseland area. PROGRAMME Contributions which are printed in the...Freshney : “Low-angle faulting in the Boscastle area.' 89. Dr. K. F. G. Hosking : “The significance of...“The ages of some coral faunas in the Torquay district.” 94. *Dr. D. Richter : “Observations on the vulcanicity...vulcanicity and tectonics of the Torquay area.” 95. *Mr. G. F. Mitchell and Dr. A. R. Orme : “The Pleistocene...kaolinite, B - montmorillonite, C - mica, D - chlorite, E – sepiolite (after Mackenzie and Mitchell, |
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| Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...are often replaced by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes,...quartz rather brittle. FACT FILE ROSE QUARTZ Group: Oxides Crystal system: Trigonal Chemical formula:...CHARACTERISTICS Rose quartz is a member of the oxide group of minerals. It is an oxide of silicon, and it gets...beam of red light. Rubies belong to the corundum group of minerals, which also includes sapphires. They |
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| hydrocarbons discovered in (first described from) the area, including both valid and discredited species. See................................245 EG52 Platinum-group minerals in the new millennium....................such as occur in the atmosphere and comprise an area of increasing interest for mineralogists, they can...distributions of elements within substances; selected-area electron diffraction (SAED) to determine crystallographic...and later to the south covering the neighbouring area with a few cm thick tephra layer. Finest part of |
 | | Report (volume) |
| Olsen A cored stratigraphic section through the northern Newark basin, New Jersey 19 By MichaelS. Fedosh...and distribution of early Mesozoic rocks of the northern Newark basin, New Jersey and New York 31 By R...fields of early Mesozoic diabase sheets in the northern Durham basin, North Carolina 200 By David L. Daniels...229 By John D. Unger A geophysical study of the northern Hartford basin and vicinity, Massachusetts 23S...By Jeffrey D. Phillips Buried structures at the northern end of the early Mesozoic South Georgia basin |
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| the speakers, including those from the USSR and Iran, were not able to attend the meeting, so some of...presented at the symposium were rejected, as were a group of other papers not considered of general interest...members and Journal subscribers. An additional group of about 8 papers will appear in a special issue...context the diluent. We have much to learn in this area, but at present little help is available. Studies...selected to represent the pervasive quartz veins of the area. The most likely primary source for the cadmium |
 | 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) |
| 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...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three...identical or closely similar structure and chemistry. A group may be named when there are several end members |
 | | Report (volume) |
| Geology of the Railroad Mining District Elko County, Nevada GEOLOGICAL SURVEY BULLETIN Prepared in...Mines 1162-B Geology of the Railroad Mining District Elko County, Nevada By KEITH B. KETNER and J....Railroad district, Nevada---. - _______-_ ___2. Recorded production of the Railroad mining district, Nevada...ECONOMIC GEOLOGY GEOLOGY OF THE RAILROAD MINING DISTRICT, ELKO COUNTY, NEVADA By KEITH B. KETNER and J...SMITH, JR. ABSTRACT The Railroad mining district, covering an area of 3 square miles in the Pinon Range |
 | | Report (volume) |
| Coastal plain province............................................. Plateau province ......................... .......................... Mountain province................................................... 19 Kigluaik group................................................... Nome group .................................................. Coastal plain province...................................................................................... Plateau province.............................................. |
 | | Book (edition) |
| the Aggeneys and Sutherland areas of the Cape Province, since descriptions of them had not appeared in...of some gold mines and prospects in the Letaba District..............cceccceeeues 82 Diagtammaticsection...133 Geological«mapiofithe: Namaqualand: copper district... ..../. 0c .ses 0 cosa ceevcece nosh eeure bes:...section of formations and deposits in the Sishen area................. ccc eeeeedeeeeee 151 Generalised...the tungsten deposits in the Namaqualand copper district..................0. 229 Section of the titaniferous-vanadiferous |
 | | Journal (article/letter/editorial) |
| the Magnitogorsk paleovolcanic belt (Fig. 1a). The area is composed of Devonian volcanic and volcanosedimentary...Faizulino 12 4 3 b 2 1 53° Northern area (b) Southern area 10 m 11 10 9 8 7 6 5 Fig....established in the southern and northern areas of the deposit. The southern area is the most promising. The...m down the dip, reaching 3 m in thickness. The northern flank of the manganese ore layer directly overlaps...extends farther hosted in cherty siltstone. The northern area is much smaller in size. This is a small (as |
 | | Report (issue) |
| ................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona ........ Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ........... Gilman (Red Cliff) district, Colorado ...................... Aspen district, Colorado ................................................. Eureka district, Nevada ........................................ |
 | | Book (volume) |
| Bibliographies of Mineral Deposits in Europe PART 1 Northern Europe including examples from the USSR in both...Abstract in German. Includes indexes. Contents: v. 1. Northern Europe including examples from the U S S R in...bibliographies of mineral deposits in Europe. Vol. 1: Northern Europe including examples from the U S S R in... I have tried to include all ore districts in northern Europe for which sufficient material is available...to obtain a real understanding of each of the northern European deposits in this Volume. Of the deposits |
 | | Report (volume) |
| ............................... Possible future area...................................................surveys of an area of 4,800 square miles and geologic reconnaissance surveys of an area of 3,500 square...regions are, however, separated by an unexplored area, which must be surveyed before definite geologic...geologic correlations can be made. This unexplored area, which lies between Lake Clark and the upper basin of...described is another extensive area about which little is known. This area is drained by southern tributaries |
 | | Book |
| reservoirs of Hassi Messaoud. This hydrocarbon province contains one of the largest reservoirs in the...Oil- and Gas-Bearing Formations of the Triassic Province 2.2.1 Paleozoic Sediments of the East Saharan...Deposits with the Northwestern Part of the Triassic Province as an Example 2.2.4 Mineral Transformations in...Triassic Sediments of the Ghadames Basin and the Northern Flank of the Illizi Basin . . . . . . . . . .... . . . . . . . . Geochemistry of the Triassic Province . . . . . . . . . . . . . . . . . . . . . . . |
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| crystal group, 10 cm, from the N 'C h w an in g m ine, Kalahari m an g an ese field, C ape Province, South...challenge. Not only would there be a smaller geographic area to be responsible for (as, for example, a county...Smithsonian there have been numerous changes in the area of acquisitions. In terms of what is generally available...that he or she opts to get into it. This is one area where the small museum can simply conclude that...enforced in the past, and I had greater freedom in the area of acquiring collection specimens. I now recognize |
 | | Report (issue) |
| . . . . . . . . . . . . . . . . . . . Plateau province ............................... ·_... ...... _.......................................... Basin province ................................................INTRODUCTION. reports are those on the Mercur district, by J. E. Spurr and S. F. Emmons; the Bingham...Bingham The senior author, J3. S. Butler, began district, by J. M. Boutwell, Arthur Keith, and field work on...deposits of Utah in the S. F. Emmons; the Park City district, by J. M. FIELD .WORK AND AUTHORSHIP. summer |
 | | Report (issue) |
| 77 GEOLOGY AND ORE DEPOSITS OF THE PARK CITY DISTRICT, UTAH BY JOHN J\IIASON BOUTWELL WITH CO)l"TRIB"CTIO)JS......................... . History of Park City district ................. , .................................. . Descriptive geology of the Park City district ................................................ CONTENTS. Descriptive geology of the Park City district-Continued. Page. Sedimentary rocks-Continued.... CONTENTS. 5 Descriptive geology of the Park City district-Continued. Page. · Metamorphism........ . . . |
 | | Report (issue) |
| Professional Paper 177 THE GOLD HILL MINING DISTRICT U'TAH BY T. B. NOLAN UNItED STATES GOVERNMI£NT...______ ___ ___ ___ _ __ ____ ___ ______ Clifton district _ _ __ History of mining and production__ ___...119 II Mines and prospects-Continued. Clifton district-Continued. Mines and prospects-Continued. Veins...Evans__________ _________________ Willow Springs district. ____ __ _ __ ___ _ ____ ___ History and production_________...belt from Eureka, Nev., to the Cottonwood-Park City area, Utah ____ _ 7. Correlation of Carboniferous formations |
 | | Report (issue) |
| Basin structure Structure in the San Francisco district Geology Sedimentary rocks Geologic periods represented...relations Morehouse (?) quartzite (Silurian?) of Star district Distribution General character Conditions of deposition...General character. Quartz monzonite of the Cactus area Extent Petrographic features Microscopic features...Lake area . Areal extent Petrographic features Composition Quartz monzonite of the Rocky district Quartz...Quartz monzonite of the Star district Comparison of analyses Dike rocks Varieties Quartz monzonite dikes |
 | | Book |
| natrocarbonatitic magma at the Oldoinyo Lengai volcano in northern Tanzania (Dawson 1962). Ample work has since been...Lengai (Fig. 1a) in the East African Rift System of northern Tanzania, stands out from the other carbonatite...above its surroundings in the East African Rift in northern Tanzania. The small hills on the left side of...polished outcrops that can be found along Alnö’s northern coastline offer a rare snapshot into the inner...as well as the interested geotourist visiting the area. This book therefore succeeds in its aim to provide |
 | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) |
| can depend on for many years, an international group of volunteer authors, coauthors, and associate editors—all...least one peer re view. Finally, an outstanding group of professional copy editors, proofreaders, graphi...Research and Development Ltd. Israel Chemicals Group Haifa Bay, Israel Tadataka Hida Shokozan Mining...Pruett Roger D. Sharpe IMERYS, Pigments for Paper Group Sandersville, Georgia U.S. Gypsum Company Chicago...Research and Development Ltd. Israel Chemicals Group Haifa Bay, Israel John R. Snoddy, IV Robert Virta |
 | | Book |
| TsumebSpecial The Otavi Mountainland The Central Northern to Northwest Region including Damaraland The Central...The Central Escarpment- The Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits...vicinity of the wellknown Spitzkuppe.Onceagain in this area excellent outcrops assistin the searchfor topaz...the landscape has remained unspoilt • Mineral group names and varieties are "Edition SchloB Freudenstein"...May 1888to January1889, mostlyin the mountainous area between Ojitambi and Rehoboth. Instructed by the |
