 | | Report (issue) | | Geology and Mineral Deposits of the Roseland District of Central Virginia U.S. GEOLOGICAL SURVEY PROFESSIONAL... Geology and Mineral Deposits of the Roseland District of Central Virginia By NORMAN HERZ and ERIC R. FORCE...titanium-mineral deposits in Nelson and Amherst Counties in the Blue Ridge of Virginia UNITED STATES GOVERNMENT...1923Geology and mineral deposits of the Roseland district of central Virginia. (U.S. Geological Survey professional...16:1371 1. Geology-Virginia-Roseland Region. 2. Mines and mineral resourcesVirginia-Roseland Region. I. Force |  | | Report (issue) | | THE RUTILE DEPOSITS OF THE EASTERN UNITED STATES. By THOMAS L. WATSON. INTRODUCTION. The titanium-bearing...largest concentrations of the element are as oxide (rutile), as iron titanate (ilmenite), and in iron ferrate...of the element at present is rutile. The known workable deposits of rutile, however, are extremely few...summarizes present knowledge of the geology of the rutile deposits in the eastern United States and for the...produced some rutile. Of the known deposits in the United, States only those in Virginia are of commercial |  | | Report (issue) | | VIRGINIA GEOLOGICAL SURVEY UNIVERSITY OF VIRGINIA Tnour.s Lnorvanp Warsow, Pn. D. DIRECTOR Bulletin...Geology of the'Titanium and Apatite Depositrs of Virginia Bv Tnorues LuoNeno Wersow eNo Srrpnex Tannp ...Vrncrnre I9I3 ,//l' ,4 BULLE'I'IN III-A VIRGINIA GEOLOGICAI, SUITVEY. Piney Rir-er near Rose's...and classiffcation. . . . Details of oecurrences Rutile 106 107 109 .111 nelsonite. . ... rr7 rr7...trli"tot*pi. character......,. The rutile ore.. .. General statement. rutile.. . Syenite -Megascopic f93 f93 |  | | Report (volume) | | Rutile and Ilmenite Placer Deposits Roseland District, Nelson and Amherst Counties, Virginia By NORMAN...panned concentrates of heavy minerals from the Roseland district indicate the possibility of valuable..._____________ Results of mineralogical analysis.. Rutile _ __________________ Zircon.._ __________________...channels, Roseland district________________________._ In pocket FIGURE 1. Index map of Virginia showing...showing the Roseland district__-__ F2 2. Geologic sketch map of the Roseland district-.._._____ 6 TABLES TABLE |  | | Report (issue) | | INTERIOR TITANIUM DEPOSITS OF NELSON AND AMHERST COUNTIES VIRGINIA GEOLOGICAL SURVEY PROFESSIONAL PAPER 198...OF THE TITANIUM DEPOSITS OF NELSON AND AMHERST COUNTIES, VIRGINIA BY CLARENCE S. ROSS UNITED STATES..._________________________ Quartz monzonite____ _____ ________ Roseland anorthosite____. __________ Primary andesine anorthosite...occurrence_____ Ilmenite nelsonite______________ Rutile nelsonite_-______________ Mineralogy..__________________________..._______________________ Micas__________________________ Rutile _________ .---____--_________ Ilmenite._________________________ |  | | Journal (article/letter/editorial) | | PETROLOGY OF THE MONTPELIER AND ROSELAND POTASSIC ANORTHOSITES, VIRGINIA BRENT E. OWENS§ Department of...Geology, College of William and Mary, Williamsburg, Virginia 23187, U.S.A. ROBERT F. DYMEK* Department of...Missouri 63130, U.S.A. ABSTRACT The Montpelier and Roseland plutons are the southernmost, and among the youngest...which Ba levels exceed those of Sr. Montpelier and Roseland are the most potassic of all massif anorthosites...cooccurring plagioclase and pyroxene in Montpelier and Roseland (%An versus %En) lie well off trends defined for |  | | Report (issue) | | ALL UVIAL ILMENITE PLACER DEPOSITS, CENTRAL VIRGINIA GEOLOGICAL SURVEY PROFESSIONAL PAPER 959~H COVER...Carolina Alluvial Ilmenite Placer Deposits, Central Virginia By J.P. MINARD, E. R. FORCE, and G. W. HAYES ...in alluvial deposits along streams draining the Roseland Anorthosite and nearby areas, and their economic...James P Alluvial ilmenite placer deposits, central Virginia. (Geology and resources of titanium) (Geological...Bibliography: p. 1. Ilmenite._Virginia. 2. Placer deposits-Virginia. I. Force, E.ric R., joint author. II. Hayes, |  | | Journal (article/letter/editorial) | | GeologicalSurvey,National Center, Mail Stop 917, Reston,Virginia 22092 Abstract Modalmineralogydeterminedfor 82...82 Fe-Ti oxideand apatiterocksfrom localitiesin Virginia, New York, Quebec,Norway,and Swedenlargelysupportsthe...Roselandanorthositeand associated rocksof the Roseland-Piney River districtof Virginiais explainedby...dikelike bodiesof ilmenite-apatiterock in the Roseland-Piney River districtof Nelsonand Amherstcounties...previousstudies.The bulk of thisstudyconcernsnelsoniteof the Roseland-Piney River district,in addition to a smallbodyof |  | | Journal (article/letter/editorial) | | Geology, College of William and Mary, Williamsburg, Virginia 23187 Abstract We report field, petrographic... Urbain massifs in Quebec; from the Roseland massif in Virginia; and from the Carthage massif in New...fully contained within anorthosite, whereas at Roseland, nelsonite occurs as dikelike bodies within country...data on nelsonites from the type area at Roseland, Virginia, and from the anorthosite massifs at Labrieville...Nelson and Amherst counties, Virginia, found in association with what became known as the Roseland anorthosite |  | | Journal (issue) | | February 1987 No.1 VIRGINIA MINERAL LOCALITY INDEX D. Allen Penick, Jr. This Virginia mineral locality...world-wide locality index The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R. V. Dietrich. Although...of the index. Some of the famous localities in Virginia, such Updated from Rocks and Minerals, Vol. 60...pegmatite in Amelia County and the Lynch Station locality (turquoise crystals) in Campbell County, are now closed |  | | Report (issue) | | Placer Deposits-A Geochemical Cycle By E. R. FORCE Rutile and Sphene in Blueschist and Related High-PressureFacies...cycle.-Blake, M. C., Jr., and Morgan, Benjamin. A. Rutile and sphene in blueschist and related high-pressure-facies...-------------------------------------------------(C) Rutile and sphene in blueschist and related high-pressure-facies...-------------7. Between rutile and biotite in some gneisses from Mason Mountain, Macon County, N.C --------------------8...polymorphs of Ti02-rutile, anatase, and brookite-are all fairly common in nature. Rutile is the stable phase |  | | Report (issue) | | is located in the Plomosa mining district, Yuma County, Ariz., in the southern part of the Dome Rock Mountains...creek and wagon road cross the Pima-Santa Cruz county line, a short distance above White House, as indicated...creek, extending half a mile on either side of the county line. The deposits probably have a much wider extent...California which are being worked are those of Shasta County. Deposits in San Luis Obispo, Alameda, Placer,...Mountain,6 in the northwestern part of San Luis Obispo County but outside of the district proper. In general |  | | Journal (article/letter/editorial) | | ILMENITE-APATITE CENTRAL C. W. DEPOSITS OF WEST- VIRGINIA. RYAN. INTRODUCTION. T•E existenceof large titanium...titanium depositsin Amherstand Nelson Counties,Virginia, has beenknown for a numberof years,and the g...Warwick farm, situatedon the northernboundaryof Amherst County, attracted attention,and the mineral rights...purchaseby the Virginia Phosphateand Paint Companyin I894 of the Giles tract northwestof Roseland,Nelson County...In I9OO the American Rutile Companyopeneda depositof rutile-ilmeniteore at Roseland, • and since.that year |  | | Journal (article/letter/editorial) | | Larsen. Jr.). The R and S molybdenum mine, Taos County, New Mexico: Ecoz. Geol..,15, 567-573, (1920).... D. Miser). Diamond-bearing peridotite in Pike County, Arkansas: Econ. GeoI., 17, 662-674, illus., (1922)... D. Miser). Diamond-bearing peridotite in Pike County, Arkansas: U. S. Geot. Swaey BulI. 735, 279-322... (with H. D. Miser). Peridotite dikes in Scott County, Arkansas: (L S. GeoL suraey Bull. 735, 271-278...and associated minerals from near Challis, Custer County, Idaho: t/. S. Natl. Mus. Proc.,64, art. 79,19 |  | | Report (issue) | | of the rare-earth metals at Baringer Hill, Llano County, Tex., by F. H. Hess, in C~ntr ibutions to Economic...1907, pp. 286-294, 1908. (4) *430d The Virginia rutile deposits, by T. L. Watson and Stephen Taber...Geology, 1912, pp. 329-3~7, 1914. (7) *580o The rutile deposits of the eastern United States, by T. L...magnetite-ilmenite deposits near Lake Sanford, Essex County, N. Y. , by .r. R. Balsley, Jr., in Strategic Minerals...origin of the titanium deposits of Nelson and Amherst Counties, Va., by 198 C. S, Ross, 59 pp., 1941 |  | | | | Geological Survey, 956 National Center, Reston, VA 20192, USA 4 Camborne School of Mines, School of Geography,...presented of chevkinite-group minerals from Canada, USA, Guatemala, Norway, Scotland, Italy and India. The...cation in the A site. Patchilyzoned crystals from Virginia and Guatemala contain both perrierite and chevkinite... Pegmatitic Bearpaw Mts, Montana Burley Farm, Virginia Bjørkedalen, Norway Mt Charles, East Antarctica...the Sierra Nevada, California, pegmatites from Virginia, and metacarbonates from Golden Lake, Ontario |  | | Journal (article/letter/editorial) | | OCCURRENCE OF RUTILE IN VIRGINIA. THOMAS LEONARD WATSON. INTRODUCTION. Knowledgeof the occurrence...occurrence of rutile in Virginia goesback many years,but reliableinformationof its occurrence in commercial...date. Prior to the openingof rutile depositsin Nelson County, Virginia, in I9O2, the small domestic demand...Chester County, Pennsylvania. During the summerof I9O6, I carefullystudiedthe occurrenceof rutile in the...the Virginia area, and madean extensivecollectionof the rutile-bearingand other associated rocks for laboratory |  | | Journal (article/letter/editorial) | | with syenite (andesine anorthosite) of Nelson County, Virginia.............................................topographic divisions of the Appalachian ranges. In Virginia the Blue Eidge Mountains form a fairly continuous...feet above sealevel; but southwestward through Virginia the ridge becomes broader and higher, and attains...above the sea are reached at several points in Virginia. The Blue Eidge is composed of a central core...the adjacent portions of the Piedmont Plateau in Virginia one of the dominant igneous rocks of granitoid |  | | Journal (article/letter/editorial) | | VIRGINIA MINERAL LOCAL INDEX Although perhaps best known for its turquoise crystals, apophyllite on...kyanite, Virginia has, in fact, over 150 mineral species. and D. A L L E N P E N I C K , JR. Virginia Division...Mineral Resources P. O. Box 3667 Charlottesville, Virginia 22903 T H I S V I R G I N I A M I N E R A L L...world-wide locality index. The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R . V . Dietrich. A l |  | | Report (issue) | | Acting Director U.S. Geological Survey, Reston, Virginia: 2017 For more information on the USGS—the Federal...production of ilmenite and rutile, and percentage of global reserves of ilmenite and rutile, by country.........ilmenite (including titanomagnetite and leucoxene) and rutile (including anatase and brookite). ...............biological implants, and consumer goods. Ilmenite and rutile are currently the principal titaniumbearing ore...Proterozoic-age anorthosite plutonic suites. Most rutile and nearly one-half of the ilmenite produced are |  | | Report (issue) | | Center Reston, Virginia 22092 A. Krishna Sinha Department of Geological Sciences Virginia Polytechnic Institute...Institute and State University Blacksburg, Virginia 24061 Norman Herz Department of Geology The University...core of the Blue Ridge anticlinorium in northern Virginia James W. Clarke Geology and age of the Robertson...8 Rb-Sr age for the Robertson River pluton in Virginia and its implication on the age of the Catoctin...Evolution of the Grenville terrane in the central Virginia ee ee eee ORNS eee i FVein.) A. K. Sinha and M |  | | Journal (issue) | | THE HORSESHOE MOUNTAIN QUADRANGLE, NELSON COUNTY, VIRGINIA William Mark Bailey' 4D - The Horseshoe...the Blue Ridge Physiographic Province of central Virginia (Figure 1). The study area is the northern half...half of the quadrangle and is part of the Roseland titanium mining district. The area is mountainous with...to late Paleozoic age for this event in central Virginia, based on isotopic studies conducted elsewhere...intensity (U, Th, K) aeroradiometric contour maps (Virginia Division of Mineral Resources, 1976) for the Horseshoe |  | | Journal (article/letter/editorial) | | Sites in Virginia by PALMER C. SWEET Virginia Division of Mineral Resources Charlottesville, Virginia 22903...for people who are interested in col lecting in Virginia (Figure 1). All the alphabetically listed localities'were...official State Highway Map as well as individual county road maps (10^ each), both of which are available...Transportation, 1221 East Broad Street, Richmond, Virginia. Topo graphic maps are available from the VirÂ...Mineral Resources, Box 3667, Charlottesville, Virginia and from the National Cartographic Information |  | | Journal (article/letter/editorial) | | MINERALOGIST, VOL 5I, SEPTEMBER OCTOBER. 1966 VIRGINIA NIETAI,IICT }IINERALS: PERRIERITE AND CHEVKINITE...(Jniaersity oJ Virginia, Charlottesville,Vtrginia. Ansrn,lcr Perrierite occurs several piaces in Virginia, especially...especially in Amherst, Bedford, and Nelson counties. chevkinite is found only at a previously unknown iocality...iocality in Nelson county. All chevkinite reported earlier from Amherst, Bedford, and Nelson counties...chevkinite. Both minerals contain thorium. Most of the Virginia specimens are only slightly metamict. Heat treatment |  | | Report (volume) | | Proc.-Virginia Academy of Science Proceedings. Charlottesville, Va. Va. Geol. Survey Bull., County ser...ser.; Repr. ser.-Virginia Geological Survey Bulletin, County series; Reprint series. Charlottesville, Va...Va. Univ. Pubs.; Philos. Soc. Bull., Sci. ser.-Virginia University Publications; Philosophical Society...magnetit~-ilmenite deposits near Lake Sanford, Essex County, N. Y.: U.S. Geol. Survey Bull. 940-D, p. 99-123...Electric smelting of ilmenite concentrates from Valley County, Idaho: U.S. Bur. Mines Rept. Inv. 5170, 18 p. |
|
