 | | Report (issue) | | Deposits of the Poncha Springs NE Quadrangle, Chaffee County,Colorado By RALPH E. VAN ALSTINE With a section... PAPER 626 Prepared in cooperation with the Colorado State Mining Industrial Development Board UNITED...Ralph E. Van Alstine and Doak C. Cox _________ _ Colorado-American mine ______________ -_Delay adit and...Poncha Springs NE quadrangle. Geologic map of the Colorado-American fluorspar mine, Browns Canyon district...district. Geologic map of underground workings, Colorado-American fluorspar mine. Longitudinal section showing |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Published by Van Nostrand Reinhold Company Inc. 135 West 50th Street, New York, N.Y. 10020 Van Nostrand...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna |  | | Report (issue) | | expanded shale plant, Summit County, Utah Holnam’s Devil’s Slide plant, Morgan County, Utah !7IB5F7-jbgfej...INDUSTRIAL MINERALS - THE INTERMOUNTAIN WEST FORUM 1999 Salt Lake City County Building constructed of Kyune Sandstone...MineralsMineralsthe The Intermountain Intermountain West West Forum Forum 1999 1999 The Edited by: Roger L...Geology of Industrial Minerals - The Intermountain West Forum 1999 Edited by: Roger L. Bon, Richard F. Riordan...surficial geology of the state at a regional scale by county and at a more detailed scale by quadrangle. The |  | | Journal (issue) | | Oak Grove Fork of the Clackamas River, Clackamas County, Oregon Bill Tompkins 12929 SE Kathryn Court Clackamas...just below the dam at Lake Harriet, C lackamas County, Oregon. This study is being made because the mines...ince of New Brunswick" it listed: " Westmoreland County.-Bellevue.-Pyrite.'' It is curious to find apparent...pyrite crystals. We visited a dozen sites in this county. Some of these were included in the Sabina guide...the area, perhaps the only such in Westmorland County. Collecting is prohibited at Gayton 's Quarry for |  | | Report (volume) | | Deposits of the Upper Blue River Area Summit County Colorado • By QUENTIN D. SINGEWALD . GEOLOGICAL SURVEY...Prepared in cooperation with the Colorado Geological Survey Board and the Colorado Metal Mining Fund UNITED...and sections of the upper Blue River area, Summit County, Colo ______________________________ In pocket...DEPOSITS OF THE UPPER BLUE RIVER AREA, SUMMIT COUNTY, COLORADO BY QUENTIN D. SINGEWALD ABSTRACT The...Blue River area includes 85 square miles in Summit County. It is partly surrounded by the Breckenridge, Kokomo |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Joe Polityka Staten...collection, has sold its entire mineral collection to Colorado mineral dealer Bryan Lees, California dealer Wayne...Bryan Lees’ Collector’s Edge Minerals in Golden, Colorado. Tom, who served as a Mineralogical Record Auction...doctoral dissertation in Geology at the University of Colorado in 1975. William studied the movement of ground |  | | Book (volume) | | Division of Litton Educational Publishing, Inc. 450 West 33rd Street, New York, NY 10001 Van Nostrand Reinhold...finishing with places in Central America and the West Indies. If known, information on features of mineralogy...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken.... An emerald crystal . Turner Emerald Mine . Mt. Antero aquamarine matrix specimen . Mesa Grande morganite |  | | Journal (issue) | | working this locality . gomi with the Irvinhe mom MT , PENN ASSOCIATION OF SCIENCES . READING , PA . ...1898 . The regular semi - monthly meeting of the Mt . Penn Association of Sciences was held with the...ochre and other minerals have been found on the sur face, but no one can tell what riches are hidden further...lakes in Egypt. These lakes, six in number, lie west of the Delta of the Nile, and are called the Lakes...trap rock near the summit of the Palisade ridge, west of the Boulevard and north of Palisade Avenue. Beneath |  | | Journal (issue) | | Leon B. Bailey 406 TIN DEPOSITS OF NORTHERN LANDER COUNTY, NEVADA 409 CALIFORNJA FIELD TRIP. By Uoyd M. D...SOCIETY . . . . . . . . . . . . . . . . . . . MID-WEST FEDERATION OF GEOLOGICAL SOCJETIES . . . . . . ...ccountries, visited Yosemite National Park in Mariposa county, California, enjoying its unrivaled grandeur and...Coast. In the southern part of the Sierra Nevada is Mt. Whitney, 14,496 feet high- highest point in the...Merced, from deep-no wider at the bottom than the the west ; while the Wawona road comes Merced river, winding |  | Raschke, Markus B., Anderson, Evan J. D., Van Fosson, Jason, Allaz, Julien M., Smyth, Joseph R., Škoda, Radek, Persson, Philip M., Becker, Randy (2018) Rare-earth crystal chemistry of thalénite-(Y) from different environments. Mineralogical Magazine, 82 (2) 313-327 doi:10.1180/minmag.2017.081.044 | Journal (article/letter/editorial) | | Chemistry, and JILA, University of Colorado, Boulder, Colorado 80309, USA Department of Geological Sciences...Sciences, University of Colorado, Boulder, Colorado 80309, USA Inst. für Geochemie und Petrologie, ETH Zürich...Engineering, Colorado School of Mines, Golden, Colorado 80401, USA Yakima, Washington 98908, USA [Received...the Golden Horn batholith, Okanogan County, Washington State, USA, in comparison with new analyses from...Cloud pegmatite in the Pikes Peak batholith, Colorado, USA. The Golden Horn thalénite-(Y) occurs as late-stage |  | | Report (issue) | | Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE, ]R., and E....geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake,. Jr., and E...City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central City district...Ore-deposits-Colorado-Central City district. 3. Mines and mineral re. sources-Colorado-Central City district... Title: The Central City district, Gilpin County, Colorado. (Series) For sale by the Superintendent |  | | Report (issue) | | Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY PROFESSIONAL...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German...central part of the Front Range mineral belt, Colorado, showing metalliferous veins and Tertiary igneous...of the west wall of winze, Chicago Creek area. Page FIGURE 1. Map of the Front Range, Colorado _____...weathered galena-sphalerite veins_ 29. Sections of the West Flack mine, Central City district______________ |  | | Report (issue) | | LAWSON-DUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and Frank Baker Moore Prepared...Orient mine Panama group ; Young America vein Mines west of Red Elephant Hill Amboy mine Girard mine Kanawha...crosscut mine Milton-Kaverne vein . . Sunshine mine West End(?) mine Wild Wagoner mine Mines between Spring...nearby districts, Clear Creek and Gilpin Counties, Colorado. 2. Geologic map of the Lawson-Dumont-Fall River... Kaverne crosscut. 46. Sunshine mine. 47. Lower West End(?) adit. 48. Ella(?) mine. 49. Firemen and Conductors |  | | Report (issue) | | the basal prevolcanic Tertiary formation along the west front of the San Juan Mountains and northern Tusas...matrix, is the basal Tertiary formation along the west base of the southern Tusas Mountains and interfingers...Chama quadrangle. The Basin plunges northward into Colorado where it is partly buried by the Tertiary rocks...the San Juan Mountains. The Brazos fault zone, a west-trending transverse structure, lies just south of...separates the Chama Basin from the San Juan Basin on the west. Both anticlines are about 10 miles long, from 2 |  | | Report (issue) | | Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa By Robert H. Moench and...about 50 miles long, extends from the region iu~ west ct iioulder southwestward across the Front Range...Idaho Springs and adjacent districts to the north, west, and southwest. The adjacent Central City district...valued «t about $65 million, and the districts to the west and southwest produced smaller amounts. Gold has...shaft------- --President Hayes shaft-----Pride of the West shaft---Protection adit-----------Providence snaf |  | | Journal (article/letter/editorial) | | K S PEGMATITE MINE faults Wakefield, Carroll County New Hampshire S o m e u n u s u a l a n d u n e...short distance west of the Maine state line in the town of Wakefield, Car roll County, New Hampshire...The loca tion may be reached by good dirt roads west from State Route 153 a short distance south of Province...Location map for the Weeks mine, Wakefield, Carroll County, New Hampshire. Figure 4: New Hampshire pegmatite...were car ried on at the Ruggles pegmatite farther west. Although not mentioned in earlier editions, Dana |  | | Report (issue) | | 91 Geology and Mineral Resources of Rio Arriba County, New Mexico by E D W A R D C . B I N G L E R 1968... Production of sand and gravel from Rio Arriba County . . 4. Features of sand and gravel sources .....Rio Arriba County ...................... 4 2 . Geologic provinces in Kio Arriba County . . . . . ....Rio Arriba County, east half . . . . . . I n pocket lb. Geologic map of Rio Arriba County, west half . ...Arriba County . . . . . . . . . . . . . . I n pocket 3. Mineral commodities in Rio Arriba County . . . |  | | Report (issue) | | . . .. . . . .. . . . . . . 7 Orthoclase and Microcline..... . . . . .. . . . . .. . . . . . . . .. ... . .. . . . . . . . .. . . . . .. . . .. . 7 Microcline microperthite. .... . . . .. . . ... . . . ....pegmatites are composed pre dominantly of quartz, microcline microperthite and soda plagioclase. Common accessory...syenite pegmatites are composed pre dominantly of microcline microperthite, with minor soda plagioclase. The...composed pre dominantly of nepheline, albite, and microcline with abundant accessory biotite and magnetite |  | | Report (issue) | | Photomicrograph showing intergrowth of sillimanite and microcline ........................................ 13....forms exposures of the complex extending along the west side of the Wasatch Mountains 25 km north of the...various proportions of quartz, plagioclase, and microcline, and, locally, biotite. Some pegmatites contain...to open and generally plunge gently to moderately west, but many variations occur. Biotite and hornblende...and retrogressive metamorphism on Antelope Island west of the Wasatch Mountains took place before late |  | | Journal (issue) | | H Scan for Video Scan for Video MADE IN USA MADE IN USA Barranca Diamond Products • 1315 Storm Parkway... Best Prices Grit 6" 8" 60 12.95 16.95 Made in USA. 80, 100 11.95 15.95 Nickel Bond including & Wheels...Machine - 6 inch 895 00 complete Made in USA Our made in USA wheels will last you 3-4 times longer than...extracted from Prospect Park Quarry, in Passaic County, New Jersey. HERITAGE AUCTIONS 10 ROCKNGEM.COM...and periodic wetting and drying dug into the rock face. Eventually, plants—both living and decaying—crafted |  | | Report (issue) | | standards and strati graphic nomenclature Denver, Colorado 80225 Radlometrlc Ages on File In the Radlometrlc...COUNTRY.......... STATE CODE....... STATE............ COUNTY........... UNITED STATES 25 MASSACHUSETTS BERKSHIRE...COUNTRY.......... STATE CODE....... STATE............ COUNTY........... UNITED STATES 25 MASSACHUSETTS BERKSHIRE...COUNTRY.......... STATE CODE....... STATE............ COUNTY........... SAMPLE IDENTIFICATION RECORD NUMBER...COUNTRY.......... STATE CODE....... STATE............ COUNTY........... SAMPLE IDENTIFICATION RECORD NUMBER |  | | Report (volume) | | gneiss of Facer Formation showing quartz and microcline in matrix of chlorite and sericite ------ 17...Formation and Uinta Mountain Group of Utah and Colorado. The purpose of the present paper is to name and...for Facer Creek, a steep canyon draining the west face of the Wasatch Mountains, midway between Perry...NEW EARLY PROTEROZOIC UNIT, UTAH F3 north and west, indicating that the Willard thrust cuts upward...most readily seen on the narrow ridge along the west rim of Willard Basin, about 250 m southeast of the |  | | Report (volume) | | General features____________________________ Coosa County _________ ____________________ Randolph County...General features_____________________________ Chaffee County__i___________________________ Fremont C...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__...County_______________________________ 76 Hart County. ___ __ __________________ 77, Lumpkin and Union counti...___________ S3 Pickens County _______-______________________ 83 Rabun County-_____________________________ |  | | Journal (issue) | | Box 88, Rt. 1, Clyde, N. C. Aug. 14, 15, 1965 — Colorado Mineral So ciety 5th Annual Denver Gem and Mineral...Mineral Fair will be held at the Jefferson County Fair Grounds west of Denver, Colo., on U. S. 6. For more...1965—5th Annual Swapping Bee and Picnic of the Fulton County Mineral Club will be held at John Boyd Thacher...Show will be held in Kingwood Center, 900 Park Avc. West, Rt. 430, Mansfield, Ohio. Chairman, John Briggs...International Rock Swap sponsored by the Jefferson County Rock & Mineral Club on the ranch of Leslie Rose |  | | Report (issue) | | the mirror-image of metamorphic zones in Dutchess County, New York. However, garnet appeared before biotite...contact with them for more than 11 miles* A sheet of West Rock Diabase at least 18 miles long and as much...General features.................................. 105 West Rock Diabase................................. 106...Analyses of rocks of pre-Triassic age, New Haven County, Connecticut oo.....«..».o.»».....o (Pocket) 2...Intruslves of Late Triassic (or younger) age, New Haven County, Connecticut ...... (Pocket) 3. Stability of |
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