 | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Report (issue) | | Metasomatic metamorphism in western Clearwater County, Idaho. (B) Anorthosite and associated rocks in...River-Clarkia area, Idaho. (D) Idaho batholith near Pierce and Bungalow, Clearwater County, Idaho. (E)... Metasomatic Metamorphism in Western Clearwater County Idaho By ANNA HIETANEN METAMORPHIC AND IGNEOUS...numbers-_________________ Earlier investigations in the area.________________ Present field and laboratory studies...__ Schist-_ _______________________________ Sillimanite-garnet schist _____________ Coarse-grained muscovite-biotite |  | | Report (issue) | | FRONT COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK...approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right - Magnetite crystal face showing...showing interference growth, from Lake Lanier area, approx. 1.5x. Photography by S. M. Pickering For convenience...Geophysical studies Hydrology Economic geology Mining directory Environmental studies Engineering studies................ ; ....................... 105 Sillimanite ............................................ |  | | Report (issue) | | DIVISION SILLI ANITE Andalusite, Kyanite, Sillimanite By E. R. VARLEY, Ph.D. (Lond.), B.Sc. (Leeds)...SJLLIMANITE Introduction • • • • • • • • The Sillimanite Minerals • • • • • • • Origin and Mode of Occurrence...• • • • • • Grade and Reserves •• • • • • • • • Mining and Beneficiation • • • • • • • Calcination .....Requirements, Specifications and Testing of Sillimanite Minerals • • • • • • • • • Production, Marketing...Materials • • • • • 1 2 8 12 15 17 19 25 30 34 SILLIMANITE IN COMMONWEALTH COUNTRIES 39 United Kingdom |  | | Report (issue) | | •.•......... _.....•....••... ·. 3 Pumpkinvine Creek Formation .......•..........••......... : . . ·...•........•.•......•....... •· ... 3 Pumpkinvine Creek Formation Undifferentiated •..••.•..••.... .- .... ~ .....••.....••................... 7 Proctor Creek Member •..................•..•.. , •.. .-· ........•..••.....•......................... 7 Palmer Creek Member ...........................................• 11 Rocks Northwest and Southeast of the Study Area ..............•.•.. :..... ; •....' .....••.... |  | | Report (issue) | | of mafic and ultramafic rocks of the Willets-Addie area, central Blue Ridge, NC ..........................and Reed (1970) in the Grandfather Mountain window area. In addition, mapping by Livingston (1966) and McNiff...tectonic map and index of completed mapping in the area of the 2005 Carolina Geological Society field trip... Edelman unpublished. 3–Quinn (1991). 4–Greens Creek quad, NC, A. Burns, unpublished. 5–Ausburn et al...for completion with EDMAP support. 10–Shooting Creek, NC, quad; R.D. Hatcher, Jr., 2005 unpublished. |  | | Book | | help bring you the t r u e picture o f a fabulous area t o fay_ M i c e the collecting in the East is different...p o p u l a r c a b i n e t specimens o f t h e area, f o r micromounts, fluorescents, a n d i n a f...mountains. W h i l e t h e g r e a t peaks a t Colorado, f o r example, r i s e f r o m a plateau 5,000...worth it. Here collectors from the Washington D.C. area visit Virginia's noted Rutherford Mine. Photograph...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and |  | | Report (volume) | | Clay County. Macon County. Jackson County. Transylvania County. Swain County. Haywood County. Buncombe...Buncombe County . Madison County. Yancey County. Mitchell County . Watauga County . Wilkes County. Ashe County...County . Alleghany County . Physiography and ecology of the peridotites. 28 28 29 32 34 35 36 38 42 46...associated basic mag¬ nesian rocks. Shooting Creek region, Clay County, North Carolina. Elf dunite. Elf amphibole-peridotite...Elf amphibolite. Elf gabbro. Shooting Creek dunite. Thumping Creek hypersthenite. 66 66 66 67 68 69 H |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...the friends trip Among them, there with the area you re planning to sound advice as give Plan...Center. Geological Survey. Federal Center. Denver. Colorado 80225. Index sheets from which the condition...chosen are provided drawing to locate a collecting area, describe the condition of the roads, and mark out |  | | Report (issue) | | prepared during the last 20 years by geologists and mining engineers of the U.S. Geological Survey and the... . . Alabama ........ . Adams Gap and Shinbone Creek Roadless Areas, Alabama, by T . L. Klein and Donald...Donald K. Harrison Big Sandy, West Elliotts Creek, and Reed Brake Roadless Areas, Alabama, by Sam H. Patterson.... Glacier Bay ational Monument Wilderness study area, Alaska, by David A. Brew and Arthur L. Kimball...Kimball ..... Granite Fiords Wilderness study area, Alaska, by Henry C. Berg and Tom L. Pittman ........... |  | | Book (edition) | | Chapters on the Coeur d'Alene Mining District, the Blackbird Mining District, and the Sawtooth Mountains...Chapters on the Coeur d'Alene Mining District and the Blackbird Mining District, and to Ben Sheppard for reviewing...reviewing the chapter on the Blackbird Mining District. Those who contributed photographs, or specimens...are with mine names and occasional1y mining district names. Mining districts, generally are not now formally...the Coeur d'Alene District is the name presently used for the entire silver district that runs from Kellogg |  | | Book (edition) | | Department 163; Texas Highway Commission 165; Colorado Department of Public Relations 172; Southern California...rubber raft through the churning current of the Colorado River; go orienteering in the rolling hills of...bird in North America, is in the Sespe Wildlife Area of Los Padres National Forest. In short, an outdoor...by the Bureau of Land Management, in state and county parks and forests, and in private parks as well...Kentucky and Tennessee, is a particularly appealing area. Canadian national, provincial, and local parks |  | Csejtey, Bela, Mullen, M.W., Cox, D.P., Gilbert, W.G., Yeend, W.E., Smith, T.E., Wahrhaftig, Clyde, Craddock, Campbell, Brewer, W.M., Sherwood, K.W., Hickman, R.G., Stricker, G.D., St. Aubin, D. R., Goerz, D. J. (1986) Geology and geochronology of the Healy quadrangle, Alaska. Open-File Report Vol. 1986 (86-396) US Geological Survey doi:10.3133/ofr86396 | Report (issue) | | Madison, Wisconsin U.S. Geological Survey, Denver, Colorado 1986 CONTENTS ABSTRACT .................................................36 Ohio Creek area (Chulitna district) ............................ 36 JTRrs...report. As in the case of any geologically complex area investigated by a number of geologists, a unanimity...of the Alaska Range. Near the mouth of Honolulu Creek, in the southwestern part of the quadrangle, an...in ascending order, the Healy Creek, Sanctuary, Suntrana, Lignite Creek, and Grubstake Formations of the |
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