 | | Journal (issue) | | the Virginia Polytechnic Institute, Engineering Experiment Station Series, dealing with Virginia Mineral...Mineral Localities: Virginia Mineral Localities (1960 Edition) Virginia Mineral Localities (Supplement...(Supplement I) Virginia Mineral Localities (Supplement II) Virginia Minerals and Rocks (3rd Edition) Ex LIBRIS...LIBRIS ROCK H. CURRIER BOOK No. _'fl_9_ On the Co•er-Arboreacent cr7atal irroupa of cnlclto from ,avltlu... I !V I ii VIRGINIA POLYTECHNIC INSTITUTE Engineering Experiment Station Series No. 151 Ii !I ·1 |  | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles Eye Tunnel |  | | Report (issue) | | Paragenesis ______________________________ ~ :. ___ _ 1 2 2 3 4 4 4 4 6 6 6 6 6 7 9 10 11 12 13 15 16 16...location of the main pegmatite districts___________ 2. Contorted sills and discordant stringers of granite...pegmatite in granite, Short Tom Smith mine, Rockingham County, N. C______ ____ ____________________ ...between pegmatite and granite, E. R. Self mine, Gaston County, N. C____________________ 6. Sinuous discordant...wall, Knight mine, Rockingham County, N. C- ~ -7. Sharp hanging-wall contact, Knight mine ______ _______________ |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...it a veritable not just a picof informa- is mine tion, telling everything the collector needs to...color lilNLRALS 5^49 CENTRAL LIBRARY 1976 UJCl 2 OfC DEC 6 6 1978 1 FEB 198a 1977 1 1977 ...{jl IHL18m , OCT IMHJLZJMI 29 1997 AUli APR 2 1978 i: ftIV Ml !m DEC 1 ilAY 1 6 I97t» 6...1EE_ AUe 9 1 .JiJ JAN021 rtuo X ^ lyao JUN ML 2 APR 6 1330 APR G ; / 'M'o t(\/oU302m 5 N | | | Book | | not just a picture book. Rather, it is a veritable mine of information, telling everything the collector...549 t!INERALS CE::!JTTIAL LIBHAHY p 111'6 lOCl 2 hl76 0E'C 1 6 1978 FEB 1 DE C 6 1977 JUN \ O 1977...4 ~I 1982 DATE DU E FE B 1 L .. 19ff DEC 1 2 199i • . JAN 02199 DEC 1 3 t9n JAN 1 t \978 1819t...AY 1 11..J \., -± - ,~~r, JUN 1 8 1991 . l 2 6 t978 AUG 9 1978 SEP 7 1978 • T 6 NOV 7 ,., ...Mineralogy. 2. Mineralogy-Collectors and collecting-U.S. I. MacFall, Russell P., ed II. Title QE363 2.G8313 |  | | Report (issue) | | Preparation and marketing----___--______-_-_-_--_---_ 1 2 2 3 4 4 4 6 6 7 8 11 12 12 15 16 16 17 17 22 24 26...109 ILLUSTRATIONS Page PLATE 1. 2. 3. 4. 5. 6. 7. 8. 9. FIGUKE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12...15 19 20 23 24 24 26 29 32 III IV TABLES 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Theoretical composition...power-factor values for electrical-quality groups E-l, E-2, and E-3____-_-_---_-____--_-_-----___-__-__-__ Price...data for mica specimens, arranged by lot and by mine or prospect-_-___--_-___-_-.___---___-_____--_ Results |
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