 | | Book (volume) |
| carbonate spars free from cobaltiferous ores, especially an 8-meter (25-ft.) vein at the diorite contact, worked...mica. The iron deposits of Dobschau still yield an annual production of about 35,000 tons, but the cobalt...' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with... known examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region |
 | | Journal (article/letter/editorial) |
| border. The rocks have been folded, overturned to the west, but isoclinal folds appear to be rare. Slip cleavage...interpretation. Folding, flowage, and thrust faulting of an autochthonous series of argillaceous Lower Cambrian...The Taconic area 1. Indian Hill area 2. Berlin Valley General statement Area North Petersburg-Berlin...Lithologic characteristics Structure .. 4. North Pownal valley 5. Pownal upland General description Lithologic...Figure 1. Outline map of Taconic Range and Hudson Valley 814 2. Outline map of Taconic area east of Troy |
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| COPPER. THE YERINGTON COPPER DISTRICT, NEVADA. By FREDERICK LESLIE RANSOME. INTRODUCTION. The town of...Southern Pacific. The town lies in the middle of Mason Valley, through which Walker River flows northward for...however, most of it being used for irrigating Mason Valley, which is under extensive cultivation and yields...with the adjacent sterile ranges on the east and west, within which are the copper deposits presently...presently to be described. Near Yerington the valley is from 3 to 4 miles wide, but it expands northward to .a |
 | | Report (issue) |
| GEOLOGY -AND ORE DEPOSITS OF THE MAGDALENA MINING DISTRICT, NEW MEXICO BY G. F. LOUGHLIN AND A. H. KOSCHMANN...fault----~------Grand Ledge fault______________ East Slope fault_ _ _ __ __ __ __ _ _ _ _ _ Waldo ·fault_ ________________...____________ __ ______________ Minerals of the Magdalena district, by S. G. Lasky and G. F. Loughlin_______ _______...deposits-Continued. Minerals of the Magdalena district-Continued. Copper minerals-Continued. Oxidized...___________________ _ Chalcanthite ______ ________________ _ An tlerite ______ .. _________________ . __ Span golite |
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| minerals_________ Beryllium as an essential constituent in minerals..__ Beryllium as an accessory constituent...Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick Canyon area... ________...sampling____ _________ Tungsten area, Mill City district ___ Sutton beds of local usage _______ George...mine___________ Aeroplane (Moonlight) mine. Round Valley area___________ Results of sampling.__________ |
 | | Journal (article/letter/editorial) |
| the fourth county west of Delaware on the southern line of Pennsylvania comprising an area of 528 square...the county by an area of rolling hills and flatland known as the Gettysburg Plain at an elevation of 600...feature known as the South Mountains, ranging to an ele vation of 2,100 feet. There are no major popula...appearance and bedded, or partially replaced by epidote (with the characteris tic pistachio-green color)...with the gas pockets filled with quartz or pure epidote. This rock is locally referred to as "green stone" |
 | | Report (volume) |
| _________--____-_---_-------___-_--------_----_______ Ajo district.-_--_.____---------______--_-_--__---_______ Oatman...____________________________________________________ 11 Austria._____________________________________________________...______--__-__---_____----_____-__-___-___________ Bonanza district._________________________________________ Breckenridge...region___________________________________________ Spanish Peaks district.____________________________________ Summitville...________________________________________ Edwardsburg district._____________________________________ 11 11 12 |
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| MINING JOURNAL TRANSLATOR'S PREFACE. In presenting an English edition of Professor Beck's 'Lehre von den...the publishers to practically rewrite the book from an American standpoint, giving greater . prominence...advisable. For such additions and changes I alone am re- sponsible. , A slight abridgment of the...table of contents and index will, lar metal. am under deep obligation to Mr. Eobert Stein, of the...AUFLAGE Als die Vortrage iiber Lagerstattenlehre an der Kb'niglichen Bergakademie zu Freiberg mir iibertragen |
 | | Report (issue) |
| Geology and Ore Deposits of the West Slope of the Mosquito Range By CHARLES H. BEHRE, JR. GEOLOGICAL...235 Includes the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado State...Thrusts on Mount Sherman__ _ ___________ Faults on West Sheridan Mountain _______ Faults on Mount Sheridan...Gulch_ _______________________ Faults on western slope of Empire Hill_.__ Faults in the central part of...Comparison with deposits in central Leadville district and elsewhere. ____________________ Description |
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| districts.____-_--_-----_____-______---_ Bohemia district.._i_-_-__--_---_-_--_---___-______-_____---_--...areas and mining districts Continued. Bohemia district Continued. Mineral deposits._________________...areas and mining districts Continued. Bohemia district Continued. Mines and prospects Continued. Tall...___-_-___.-______-_-_____.__________._ Quartzville district..______-_----._______-_____-.-________-_-Location...areas and mining districts Continued. Quartzville district Continued. Mines and prospects Continued. Lawler |
 | | Report (issue) |
| publish a brief preliminary description of this district. Development work has not been very extensive... The deposit is located in the Plomosa mining district, Yuma County, Ariz., in the southern part of the...accessible station, and in an air line is just 28 miles a little north of west of Quartzite, the stage road...abruptly from the deserts. The Dome Rock Mountains have an average elevation of 1,500 feet, being approximately...branch of the mountains, one of its peaks rising to an elevation of over 2,700 feet. The dip of a These |
 | | Book |
| Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive...(Weibel, 1980). The Maderanertal drainage flows west-southwest from a mountain massif to join the Reuss |
 | | Report (issue) |
| visions and additions make the Centennial volume an historical as well as a scientific record of California...from references to the geographic term ''Mining District," especially in the pre-1920 literature. Widespread...in the intensified prospecting for new localities. An instance of this is the detailed study of the borate...deposits of the Mojave Desert area and of Death Valley by a group of U.S. Geological Survey workers, with...primarily in the Boron area, but also in the Death Valley region. Another example is a recent study of the |
 | | Report (volume) |
| Maimon-Hatillo District Dominican Republic GEOLOGICAL SURVEY BULLETIN 964-D Geology and Mineral...Mineral Resources of the Maimon-Hatillo District Dominican Republic By A. H. KOSCHMANN and MACKENZIE GORDON...Geologic map and sections of the Maim6n-Hatillo district, Dominican Republic_________________--__________...TABLE 1. Analyses of magnetite from Maim6n-Hatillo district, Dominican Republic--_________________________________...Partial analyses of lateritic iron, Maim6n-Hatillo district, Dominican Republic_-___-_-_______-___---___-____-_-__-__ |
 | | Journal (article/letter/editorial) |
| features of the surface. Rocks found in the Oondrau Valley. The Gabbro and associated Serpentines. The Dykes...structures found in the acid igneous rocks has now an almost complete parallel in the basic group, a few...attempted to settle the question of its true nature by an examination of the rock in the field. As a series...south of the pass, which had been mapped by Lory as an intrusive euphotide, and from which it was probable...ServiSres " valley, by M M. Faujas de St. Fond and Guettard ; the former, however, gave in 1781 "~t an account |
 | | Book |
| ^ '“ P r . . . I West Orange SOUTH SAN FRANCISCO PUBLIC LIBRARY 9048 00992838 7 257989 R q549...Published by Van Nostrand Reinhold Company Inc. 135 West 50th Street, New York, N.Y. 10020 Van Nostrand...Pemberton, H. Earl, 1907Minerals of California. An updating of: Minerals of California: 1866-1966 /...Berkeley, prepared as a report Board of Agriculture an “Annotated Catalog of the to the State Principal...CASCADE RANGE HI MODOC PLATEAU COAST RANGES S GREAT VALLEY SI SIERRA NEVADA 21 BASIN RANGES 3Zm MOJAVE DESERT |
| | Book |
| Published by Van Nostrand Reinhold Company Inc. L35 West 50th Street, New York, N.Y. 10020 Van Nostrand Reinhold...Data Pemberton, H. Earl, 1907Minerals of California. An updating of: Minerals of California: centennial volume...prepared as a report to the State Board of Agriculture an "Annotated Catalog of the Principal Mineral Species... • ID MOOOC PLATEAU I7 COAST RANGES 7 GREAT VALLEY :2f SIERRA NEVADA ~ BASIN RANGES Ell MOJAVE...dominant ma.fie mineral; adj. noritic. oxidized zone An area of mineral deposits modified by surface waters |
 | | Journal (issue) |
| paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ..................e ssa rtin e d ik e , L ittle T h ree m in e , S an D ieg o C o u n ty , C alifo rn ia. Los A n g e le...is the execution of the square root of a number. An increasing number of people have no idea how to do...all kinds of work later on. You may be able to make an important decision on the spot or be able to help...employment, he or she in many cases begins work on an independent level or a minimally supervised level |
 | | Report (issue) |
| "ore-bearing zone" 1'ead "ore-bearing zone of the Knaben district," and transpose the paragraph with that following...somewhat similar to that of tungsten and vanadium. Hence an increased demand has sprung up for molybdenum ores...remark able properties, which are now manufactured on an exten sive scale. Owing to the shortage of tungsten...differs in yielding sulphur dioxide on heating in an open tube. The specific gravity is about 4·7. When...products derived from granitic magmas. There is also an important type of deposit in connection with crystalline |
 | | Report (volume) |
| ................................. Alder Gulch district..................................................................... . . Utopia (Birch Creek) district........................................... "Location........................................ Argenta district.................................................Mining districts Continued. . Page. Blue Wing district....................................... '. ........................................ 72 Bannock district.............................................. |
 | | Report (volume) |
| Colluvial deposits.--- _________________________ Valley alluvium._____-_-_---_---_-_-_-____________ Structural...lie in a north-south line along the mountain front west of Denver; these quadrangles have been or are being...made in the metal-mining areas immediately to the west. In this report, the character, distribution, structure...following areas: Trail Creek and Chicago Creek areas, west of Idaho Springs (Harrison and Wells, 1956, 1959)...HORNBLENDE GNEISS The hornblende gneiss unit consists of an interlayered conformable sequence of hornblendic |
 | | Report (issue) |
| rocks are altered to or replaced by an aggregate of garnet, epidote, diopside, quartz, calcite, scheelite...The chief producing districts are on the eastern slope of the Sierra Nevada near Bishop, Calif.; in the...Aguanga, was near Lovelocks, Calif.; 4, Morango district, Calif.; 5, Weldon, Calif.; Humboldt County, 6...Nev. ; 15, Nightingale Mountains, for silver, but an assay Nev.; 16, Toy, Nev.; 17, Toulon, Nev.; 18,...In August, 1913, an unsuccessful attempt was made to develop a deposit in Euby Valley, Elko County, Nev |
 | | Report (issue) |
| Species first discovered in California are marked by an asterisk (*), and followed by the date of the first...magmas to those of the surface waters, and constitute an important source of the less common, as well as of...Veins may be formed by waters travelling upward from an igneous source, or by solutions soaking down from...following authorities: Heizer and Treganza (1) who give an extensive bibliography, with a quite extensive list...interest that the San Francisco Call, in 1898 sent out an expedition conducted by Dr. Gustav Eisen of the California |
 | | Journal (article/letter/editorial) |
| that the late Professor M. F. HEDDLE didv not make an exhaustive examination of many localities in Mull...which a large part of the material was obtained, I am particularly indebted for. assistance in collecting...presence in them of veins and nests of green and pink epidote. Again, Mr JAMES CURRIE has recorded % * Sir ARCHIBALD...ZEOLITES AND ASSOCIATED MINERALS scolecite, epidote, heulandite, stilbite, prehnite, etc., from Maol...have suffered in consequence considerable alteration—an alteration which is particularly prominent in the |
 | | Book (edition) |
| Mandarino The Mineralogical RecordIne. Tucson This is an alphabeticallist, as of December I, 2007. of the...away beforc wc could finish this collaboration. I am pleased to have been able to finish lhis Glossary...Pierre-Jacques Chiappero (France). G. Daxner (Austria). M. Dcliens (Belgium). Giancarlo Delia Ventura... Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria). Werner Krause (Gennany). Andre Lalonde...Lalonde (Canada), P. Leblhuber (Austria), Andrew Locock (Canada). J.A. Mandarino (deceased) (Canada), |
