 | | Report (volume) | | the Blue Lakes Wilderness Study Area, Humboldt County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 1726-D...the Blue Lakes Wilderness Study Area, Humboldt County, Nevada By JOEL R. BERGQUIST, DONALD PLOUFF, BRENT...RESOURCES OF WILDERNESS STUDY AREAS: HUMBOLDT AND PERSHING COUNTIES, NEVADA DEPARTMENT OF THE INTERIOR DONALD...the Blue Lakes Wilderness Study Area, Humboldt County, Nevada. U.S. Geological Survey Bulletin 1726-D...Mines and mineral resources Nevada Blue Lakes Wilderness. 2. Geology Nevada Blue Lakes Wilderness. 3. Blue |  | | Report (volume) | | the Pahute Peak Wilderness Study Area, Humboldt County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 1726-C...the Pahute Peak Wilderness Study Area, Humboldt County, Nevada By DONALD C. NOBLE, DONALD PLOUFF, JOEL...RESOURCES OF WILDERNESS STUDY AREAS: HUMBOLDT AND PERSHING COUNTIES, NEVADA DEPARTMENT OF THE INTERIOR DONALD...the Pahute Peak Wilderness Study Area, Humboldt County, Nevada. U.S. Geological Survey Bulletin 1726-C...Mines and mineral resources Nevada Pahute Peak Wilderness. 2. Geology Nevada Pahute Peak Wilderness. 3 |  | | Report (volume) | | Black Rock Desert Wilderness Study Area, Humboldt County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 1726-E...Black Rock Desert Wilderness Study Area, Humboldt County, Nevada By J.P. CALZIA, W.A. LAWSON, J.C. DOHRENWEND...RESOURCES OF WILDERNESS STUDY AREAS: HUMBOLDT AND PERSHING COUNTIES, NEVADA DEPARTMENT OF THE INTERIOR DONALD...Black Rock Desert Wilderness Study Area, Humboldt County, Nevada. U.S. Geological Survey Bulletin 1726-E...resources of wilderness study areas Humboldt and Pershing counties, Nevada ; ch. E) Bibliography Supt. of |  | | Book | | f. MIMING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN i r r i i ; %■... ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN...LINCOLN 0 ll ; RENO NEVADA NEWSLETTER PUBLISHING COMPANY 1923 PREFACE Earlier Works. The object of...infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive work of...peared for a number of years. In the early days of Nevada min ing, from 1866 to 1878, the field was covered |  | | Report (issue) | | Kinderhook age and its tectonic significance, Elko County, Nev., by K. B. Ketner ------Stratigraphy Stratigraphy...geochronology of Miocene volcanic rocks in northwestern Nevada, by D. C. Noble, E. H. McKee, J. G. Smith, and...Tertiary thrusting in the Snake Range, White Pine County, Nev., by D. E. Lee, R. F. Marvin, T. W. Stern...a residual aeromagnetic map of the Nixon Fork district, Alaska, by L. A. Anderson, B. L. Reed, and G...of the Denali bench gravels, Valdez Creek mining district, Alaska, by T. E. Smith ------Peat resources |  | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...otherwise noted Map of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines...Cataloging-in-Publication Data Castor, Stephen B, Minerals of Nevada / Stephen B. Castor and Gregory C. Ferdock.— Ist |  | | Report (issue) | | geochemistry of the Sleeper Gold-Silver Deposit, Humboldt County, Nevada an interim report By J. T. Nash , W. C................................................. Mining and exploration history......................................................................... Mine geology...........................................Figure 1. Location and geology setting of the Sleeper mine. Regional geology is simplified from Wilden (1964)... 3 Figure 2. Generalized geology of the Sleeper mine area and western foothills of the Slumbering Hills | | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved...-Publ ication Dat,i Castor, Stephen B. Minerals of Nevada/ Stephen B. Castor and Gregory C. Ferdock.- rst |  | | Report (issue) | | UTAH SALT LAKE CITY, UTAH GEOLOGY OF EASTERN IRON COUNTY, UTAH BY HERBERT E. GREGORY Published in cooperation...UTAH SALT LAKE CITY, UTAH GEOLOGY OF EASTERN IRON COUNTY, UTAH BY HERBERT E. GREGORY Published in cooperation...149 150 .151, 152, 153 Table I, Analyses of Iron County Coal Index ......................................14. Reconnaissance geologic map of eastern Iron County, Utah....In pocket General view of topography and................ 142 A. Natural Bridge, Ashdown Canyon; B. Ashdown Canyon Bridge from below............ |  | | Journal (article/letter/editorial) | | there is no cliff for many miles. The peculiar district now reached, that of Romney Marsh, etc., consists...have the lowest beds of the Wealden Series (the Ashdown Sand) and the Fanlight Clays beneath, classed with...like is the case with the cliffs of the Bexhill district, separated only by the Alluvium of the Catsfield...neck, and this view has been confirmed by recent mining operations in a conclusive manner. The Dunfermline...seams on the north-west side of the hill a ' stone-mine' was driven in a westerly direction beneath the |  | Peters, S.G., Nash, J.T., John, D.A., Spanski, G.T., King, H.D., Connors, K.A., Moring, B.C., Doebrich, J.L., McGuire, D.J., Albino, G.V., Dunn, V.C., Theodore, T.G., Ludington, S.D. (1996) Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California. Open-File Report Vol. 1996 (96-712) US Geological Survey doi:10.3133/ofr96712 | Report (issue) | | Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California...Ludington3 Open-File Report 96-712 1996 1 Reno, Nevada 89557 2 Denver, Colorado 80228 3 Menlo Park, California...Canada 7 U.S. Bureau of Land Management, Winnemucca, Nevada 89445 This report is preliminary and has not been............................................. 18 Humboldt River porphyry tracL............................Study Areas and other areas in the Winnemucca District and Surprise Resource Area for which resource |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Journal (issue) | | subscriptions to take account of new groundwater, mining and the offshore and how important electronic publishing...were joined by members of the local Hastings & District Geological Society. After an introduction to the...about 200 m, a shelf formed from the top of the Ashdown Formation was revealed at beach level. This consolidated...we progressed along the beach Ashdown Formation. extend from the Ashdown Formation towards Cliff End Point...Cliff End Point a large, fallen slab from the Ashdown early Cretaceous plant and animal fossils (Brooks |  | | Journal (article/letter/editorial) | | NETHERLANDS-GERMAN BORDER DISTRICT: EAST NETHERLANDS TO RIVER EMS OSNABRUCK DISTRICT: RIVER EMS TO RIVER WESER...WESER HANNOVER DISTRICT: RIVER WESER TO RIVER LEINE CELLE DISTRICT: RIVER LEINE TO RIVER ALLER AND POMPECKJ'S...POMPECKJ'S SWELL ... SOUTH BALTIC DISTRICT: POMPECKJ'S SWELL TO EAST GERMANY, DENMARK, POLAND AND SWEDEN...boring Fig. 2. Kentish Coalfield-Bas Boulonnais district. Tentative isopachytes for Hastings facies succession... 112), recall characteristic biofacies of the Ashdown and Wadhurst formations. (iii) Age. All the evidence |  | | Journal (article/letter/editorial) | | of red-stained siliceous pebbles to the various Ashdown, Lower Tunbridge Wells and Cucldield conglomerates...Old Red and New Red materials. During the top Ashdown/top Cuckfield interval denudation apparently widened...covers. East Kent-North Sea sources supplied the Ashdown and Wad hurst pebble beds of eastern Sussex with...the coalfield, were overstepped by Wealden after Ashdown times. 1 Jurassic and Carboniferous pebbles have...been red originally, and up to 10 per cent in the Ashdown. (b) Top Lower Tunbridge Wells Pebble Bed Comprising |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...woods, etc. DAWSON COUNTY GOTHENBURG, in sand pitspetrified palm wood. DEUEL COUNTY CHAPPELL, all regional |  | | Journal (article/letter/editorial) | | westward of the author's work in the Tunbridge Wells district, some results of which were published in a recent...southward it extends to the northern fringe of Ashdown Forest and includes the picturesque country from...strengthened by the results of the work in this district. PHYSIOGRAPHY.-Any one previously unacquainted;with...the" East Grinstead country and arriving in the district for the first time, will be struck by the marked...relationship to geological structure, and this particular district is no exception to the rule. At the same time |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Journal (article/letter/editorial) | | was invaluable to the party. S.H. The Tonbridge District. Saturday, June 3rd, 1933. Director, S. HALL,...Vauxhall Lane an account of the geology of the district was given, and afterwards a normal fault well...yards to the south, very good exposures of the Ashdown Sand in its normal relations to the Wadhurst Clay...the outcrop in the Vauxhall Lane section. The Ashdown Sand is seen in the railway-cutting which is about...throw of some ISO feet, which has brought the Ashdown Sand up against the Wadhurst Clay. Work which has |  | | Journal (article/letter/editorial) | | Wells Sand (180ft.), Wadhurst Clay (150ft.), and Ashdown Sand (4ooft.)t; all four divisions occur in this...an aid to geological mapping. The rocks of the district, by their general barrenness of fossils and by...given. H. B. MILNER, are met with in this district and they everywhere rest conformably on the Upper...muscovite, tourmaline, topaz, pyrites, hornblende, biotite, zircon, ilmenite (represented for the most part...local clay (Grinstead Clay) occurring west of this district. The Grinstead Clay is impersistent, and only |  | | Journal (article/letter/editorial) | | much fresh biotite on certain bedding-planes that they are heavily darkened. Flakes of biotite and muscovite...equivalent coarseness in :— (i) The high proportions of biotite and tourmaline, (ii) The high proportions of brown...Muscovite 1 . . . 99-13 . 0-87 < 0-1 Not determined Biotite, Chlorite, C l a y / HEAVY DETRITALS ' (S.G. >...local facies, of any coarseness, is known in the Ashdown or Tunbridge Wells sands which even approaches...underlying top Ashdown sediments at Clock House. Partition-analysis of the relationships in the Ashdown rocks |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Journal (article/letter/editorial) | | Notes on the Lower Paleeozoic Books of the Cautley District (Sedbergh) " : Eep. Brit. Assoc, 1910, vol. Ixxx...1913. " The Lower Palseozoic Bocks of the Cautley District (Yorkshire) " : Quart. Journ. Geol. Soc, vol....vol. lxxi, pp. 189-204. The Geology of the Lake District and the Scenery as influenced by Geological Structure...freshwater forms, and it is generally allowed that the Ashdown Sands are merely an introductory phase of the Wealden...sands originally investigated were taken from the Ashdown Sands of the Wealden area with a view to comparing |  | | Journal (article/letter/editorial) | | (a) (d) (d) (d) (d) (d) (a) (d) (d) Amphibole Biotite Epidote: very rare Monazite: very rare ... Muscovite...minerals, galena, pyrite, sphalerite, barytes, biotite, sphene and apatite, were restricted to the Fuller's...17 Bi. 3 3 5 T.: Tourmaline Ba.: Barytes Bi.: Biotite As Bed 7 has been regarded by Dines & Edmunds...decomposition of biotite. The only horizon in the Lower Greensand known to contain detrital biotite is the Nutfield...form a three-fold decomposition series, viz.: biotite --+ glauconite --+ limonite It is probable that |
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