 | | Report (volume) | | the James River-Roanoke River Manganese District Virginia GEOLOGICAL SURVEY BULLETIN 1008 Geology...oftheJatnes River-Roanoke River Manganese District Virginia By GILBERT H. ESPENSHADE GEOLOGICAL SURVEY ...General statement ________________________ --------Psilomelane type ________________________________ -Wad _...____________ __________ ___________ Schoolhouse mine and nearby prospects_ _ _ ______ __ _______ StonewalL___...property_____________________________________ Campbell County__________________________________________ |  | | Journal (article/letter/editorial) | | Cryptomelane, a new name for the commonest ot?the "psilomelane" minerals. Am. Min. 27: 607-610, 1942. THE...unsatisfactory state,chieflybecausethe term "psilomelane" has cometo be usedto refer to any hard, massive...is needed. However, as statedbelow,the term "psilomelane"shouldnot be usedin this sense,but shouldrefer...identified shouldbe referredto as belongingto the "psilomelane type." This term is to be understood to include...Pyrol•usite.The namepolianiteshouldbe dropped. *Psilomelane•BaR00•s.2H20 (?), R = MnTMchiefly,alsoMnn, Co |  | | Journal (article/letter/editorial) | | manganite, pyrolusite, ramsdellite, cryptomelane,psilomelane, hollandite, braunite, and coronadite. Another...extendsfrom Pennsylvania through Maryland and Virginia to Georgia,Alabama,and Arkansas,many depositsof...generallyhypogene,is presentwith an oxide suchas psilomelane,which in this belt is probablysupergene(Batesville...the southeastern states,largelycryptomelane, psilomelane, hollandite,and pyrolusite,are alsothosethat...district,New Mexico, and the Aguila district, Mohave County,Arizona and severalother districts,have been closelystudied |  | | 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 |  | | Report (volume) | | and mineralization in the Trigo Mountains, Yuma County, Arizona. in Frost, E.G., and Martin, D.L., eds...the Muggins Mountains Wilderness Study Area, Yuma County, Arizona: U.S. Geological Survey Bulletin 1702-D...and development of Cenozoic drainage in Mohave County, Arizona: Geological Society of America Bulletin...Upper Tertiary Units, Osborne Wash Area, La Paz County, Ariz., by Anna V. Buising and Kathi K. Beratan...Tertiary Stratigraphy of the Laguna Mountains, Yuma County, Ariz., by James P. Lombard .......... ..... . |  | | Report (volume) | | technical assistance to private mine operators about mineral exploration, mine development and operation,...trained to provide technical assistance to private mine operators, as well as to conduct reconnaissance...personnel were to supply guidance to small private mine operators on management and bookkeeping, service...1959, when the program ceased to grant loans to mine operators, the small staff consisted of one geologist...that extends from the Corocoro mine southeast to the Chacarilla mine. The second project mapped a belt-like |  | | Book (volume) | | Materials, 5th ed., 1989; J. H. Dubois and W. I. Pribble, Plast Mold Design Engineering Handbook, 4th ed...Appalachian Plateau of western Pennsylvania, West Virginia, and eastern Kentucky. such See ESCARPMENT;...eastern United States it grows as far south as West Virginia. It is readily recognized by its comparatively...across Canada to Al: as New Mexico and eastward to Virginia. as far south It does not hibernate during...potato was mentioned as being grown The in Virginia as early as 1648. In 1930 the selection of outstanding |
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