 | | Report (issue) | | Geology and Ore Deposits of the Jerome Area Yavapai County Arizona By C. A. ANDERSON and S. C. CREASEY ";...308 With sections on the United Verde Extension mine by G. lf7. H. Norman and on the Cherry Creek mining...____________ _ Deception rhyolite _________________ _ Grapevine Gulch formation_.:.. _______ _ Alder group __...___________ :. . ________ ~ _____ _ .Minerals relat~d to mine fires ____ ..: __________ _ General characters __...district ___________________________ _ United Verde mine _________________________ _ Production ________ |  | | Journal (article/letter/editorial) | | bars or less. Introduction in the United Verde mine. The United Verde Ex- TrtE massivesulfidedepositsat...processes.underground workings of the United Verde mine For manyyearsmostgeologists believedthat these depositsformed...southwestern wall of the openpit of the United Verde mine have since1953 been mined by the Big Hole Mining...volcaniclasticrocks of DodgeCorporationpurchased the mine in 1935 and Precambrianage, and in recent years...ROCKS hoenix Pz GABBRO BLACK SCHIST MASSIVE GRAPEVINE SULFIDE GULCH DECEPTION du dc PALEOZOIC |  | | Report (issue) | | producer; and until recently the Escalante mine, located a few km north of the quadrangle, was an important...boundaries. Best exhibited capping steep-faced bluffs on north side of Shoal Creek immediately west of Enterprise...4-5 mm diameter), blocky phenocrysts of zoned plagioclase and more numerous but finer phenocrysts of hypersthene...with the augite generally much more abundant. Plagioclase occurs as fine laths or prisms that approach...finely dispersed Fe-Ti oxide, in addition to plagioclase and cryptocrystalline to glassy material. From |  | | Report (issue) | | noftonclature* Frui>ar«d in oooperation >dth the liorth Carolina Dep&rtaent of Conservation and Development* C05TSHTS...Metamorphic rocks ................ Mica rocks of the Carolina-type ....... Mioa gneiss .............. Mica schist...schist .............. Petrograpljy of the Carolina-type rocks . Structure and texture ....... Mineral.............. Cranberry gneiss ................ Carolina-type rocks .....*.......* Roan-type rocks ......the Plumtree area, Spruce Pine district, Forth Carolina.............................. In por&et 2» Photomicrographs |  | | Report (issue) | | Related to Bullfrog Hills Caldera, Nye County, Nevada and Inyo County, California By HENRY R. CORNWALL and...Fluorspar__ _ ___________________________________ Daisy mine.___________--__----_----__-_-_Geologic setting....Hills caldera near Beatty. 6. Mine workings of the Daisy fluorspar mine. 7. Geologic map of levels 3,...8, Daisy fluorspar mine. 8. Geologic map of levels 9 to 13, Daisy fluorspar mine. 9. Longitudinal and...and cross sections of the Daisy fluorspar mine. FIGTTKE 1. View of Bonanza King and Nopah Formations in |  | | Report (issue) | | phenocrysts: Q = quartz; K = alkali feldspar; P = plagioclase feldspar; B = biotite; H = hornblende; Py = pyroxene;...and contains small phenocrysts of olivine and plagioclase in a subophitic matrix, and the structure grades...sanidine crystals are present in most cases. Plagioclase and biotite are found in Kane Wash Tuff units...west-facing scarp along Kane Springs Wash near Grapevine Spring (E.F. Cook, unpub. data) and thins northeastward...Kane Springs Wash. Member V^ correlates with the Grapevine Spring unit of Scott and others (1988) Tirachyte |  | | Report (volume) | | minor carbonate rocks is associated with the Grapevine fault system on the western flank of the Spring...Johnnie mining district, one-half mile west of Grapevine Spring. Rock, stream, and soil samples from the...the zone of alteration associated with the Grapevine fault system are consistently anomalous in gold that...the thrust fault. One area that crosses the range north of Gold Spring has a low mineral resource potential...Counties, Nevada. are present parallel to the Grapevine fault system which bounds the southwestern flank |  | | Report (issue) | | MAP OF THE GREGERSON BASIN QUADRANGLE, LINCOLN COUNTY, NEVADA By Robert B. Scott1, W C Swadley1, William...of a formerly more extensive basin-fill deposit north of Gregerson Basin where it appears to conformably...dike Medium-dark-gray basalt dike containing plagioclase phenocrysts. Unit found only in float 3.3 km...km west of the east boundary and 5.8 km north of the south boundary of the quadrangle Te Tuff of Etna...tholeiitic plagioclase-olivine-phyric basalt lava containing as much as 5 percent plagioclase phenocrysts |  | | Report (issue) | | King George Ridge metavolcanic pendant 34 Grapevine Grade pendant 35 Morton Flat pendant 35 Woody...Geologic map and diagrammatic cross-section of north end of Fairview pendant.. 5. Area of enigmatic...Gulch pendant. These two pendants together form a north-trending linear belt that is sharply in contrast...10 km north of Indian Wells Canyon. The pendant is named for a small tungsten mine at the north end of...1981). The smaller, disconnected bodies to the north are mostly red-to brownweathering thinly layered |  | | Report (volume) | | _________ Economic geology _____ _ __ _ _ Valley north of Slate Ridge.__________.____________ Goldfleld...Economic geology________________________-__ 88 Ranges north of Pahute Mesa._______________,___ 89 Cactus Ra...7 Descriptive geology Continued. Page. Ranges north of Paliutc Mesa Continued. Kawich Range ______________...CONTENTS. Descriptive geology Continued. rage. Ranges north of Pahute Mesa Continued. Belted Range Continued...Gold Mountain ridge and the hills to the north of Grapevine Canyon _._____________________._______________ |  | | Report (issue) | | Winegrapes in Polk, Henderson and Buncombe Counties, NC Carolina Geological Society – Guidebook for the 83rd Annual...Hendersonville, North Carolina Field Trip Leaders: Joseph Forrest, Rick Wooten, Bart Cattanach Carolina Geological...site at 3400 feet on the Blue Ridge escarpment. Carolina Geological Society 2022 Board of Directors President...Engineering Secretary Cheryl Waters-Tormey - Western Carolina University Treasurer Jeff Chaumba - UNC Pembroke...Soil Geomorphology in North Carolina Brad Johnson 105 Western North Carolina Soils, Geology and Wine |  | | Report (issue) | | GEOLOGIC MAP OF THE DELAMAR 3 NE QUADRANGLE, LINCOLN COUNTY, NEVADA By Robert B. Scott1, Steven W. Novak2...tholeiitic plagioclase-olivine-phyric basalt lava flow containing of as much as 5 percent plagioclase phenocrysts...less than 2 percent phenocrysts of sanidine, plagioclase, biotite, fayalite, and ferroedenite (Novak,...plagiodase-clinopyroxene-olivine(?)-phvric basalts to plagioclase-phyric trachyandesites. Dikes have olive-black...plagiodase-clinopyroxene-olivine(?)-phyric basalts to plagioclase-phyric trachyandesites. Although as many as five |  | | Report (issue) | | GEOLOGIC MAP OF THE DELAMAR 3 NW QUADRANGLE, LINCOLN COUNTY, NEVADA By Robert B. Scott, William R. Page, and...(Miocene)--Medium-dark-gray plagioclase-olivine-phyric basalt flows containing megacrysts of plagioclase commonly greater...(Miocene)--Medium-dark-gray plagioclase-olivine-phyric basalt dike containing megacrysts of plagioclase commonly greater...and is about 85 m thick in the east part Tkg Grapevine Spring unit-Rhyolitic to trachytic, informally...tuff, consisting of one compound cooling unit. Grapevine Spring unit is unit VI of Novak (1984). Map unit |  | | Journal (article/letter/editorial) | | Geologist, 215 Club Drive, San Carlos, CA 94070, USA Received 7 September 1999; accepted 11 February 2000...strata that underlie the San Joaquin basin to the north. Its stratigraphy and framework mineralogy have...Rocks Sandstone, submarine-fan deposits to the north and west. q 2000 Elsevier Science B.V. All rights...Railroad Survey, who found fossils in a boulder from Grapevine Creek (Fig. 1). These fossils were assigned to...on a detailed study of the Liveoak Canyon and Grapevine Canyon areas (Fig. 1). Subsequent thesis mapping |  | | Report (volume) | | °30'W. in the southeast comer, about 165 km in a north-south direction and about 135 km in an east-west...all in Nevada. The northwestern area covers the North Pahroc Range, and east of that, Dry Lake Valley...relationships of Tertiary volcanic rocks in central Lincoln County, southeastern Nevada By Robert B. Scott, C. Sherman...rocks of the southern Delamar Mountains, Lincoln County, Nevada By William R. Page H. Paleomagnetic data...and RangeColorado Plateau transition zone, Iron County, Utah By VanS. Williams and Florian Maldonado |  | | Report (issue) | | production data for the lifetime of the United Verde mine, Arizona D6 Contents Ill 03. Plot of gold grade...copper grade for different time periods, United Verde mine D9 04. Plot of Ag:Au ratio versus tonnage for different...Cu:Zn ratio for ore, 1944-1953, Dll United Verde mine 06. Map showing generalized geology of the Jerome...Dl3 08. Map showing geology of the Unjted Verde mine area D14 09. Element-element plots for the 2400...013. Cross section through the North ore body of the Alaska-Juneau mine D31 014. Diagram showing paragenesis |  | | Report (issue) | | - UVX mine overview-Paul A. Handverger UVX mine geology-Don White Lunch* at Copper Chief mine Copper...Copper Chief mine discussion-Paul A. Lindberg Return to Prescott Steak fry* at Bronze Saddle Restaurant Sunday...Check out and depart from Prescott Iron King mine and McCabe mine stops-Phillip Anderson, Patrick. O'Hara...Boggs mine stop-Douglas F. Hurlbut Big Bug stock-Patrick R. O'Hara Lunch* at Copper Queen mine Copper...Copper Queen mine-Ralph E. Higgins, Patrick F. O'Hara, James M. Evensen, and Douglas F. Hurlbut Return trip |  | | Report (issue) | | Mountains on the south from the Mojave Desert on the north. Its summit is a resistant block of marble thrust...basins and barren ranges of the Mojave Desert on the north. But- tressing the eastern end of this escarpment...weathered gneiss. Undercutting by erosion has made the north slope of the mountain extremely precipitous; in...landslide debris. INTRODUCTION Blackhawk Saidmarreh north True —— 5 miles y = EiaWwW Figure 1. Areal...and the alluvial slope for several miles to the north of them in southeastern Lucerne Valley. Elevations |  | | Report (issue) | | San Emigdio and western Tehachapi Mountains, Kern County, California........ FIGURE 1. 2. 3. 4. 5. 6. 7...east side of Grapevine Creek showing large landslide deposits downslope from Grapevine Peak ...........Photograph of view southwest of west side of Grapevine Creek showing large landslide deposits ..................................... Geologic map of Grapevine Creek area and measured type section of the Uvas...18 VI CONTENTS Page 10. Photograph of view north into Liveoak Canyon showing exposures of the Uvas |  | | Journal (article/letter/editorial) | | reveal the presence of the latter as far west as Grapevine Canyon. The Nd, Sr, Pb, and O isotopic whole-rock...California Institute of Technology, Pasadena, CA 91125, USA 1Present address: Southwest ResearchInstitute 6220...6220 Culebra Rd., San Antonio, TX 78238-5166, USA Editorial responsibility: J. Patchett Introduction...on the southeast by the Pastoria thrust and the north branch of the Garlock fault. The Tehachapi crystalline...migmatite of Grapevine Peak, GC paragneiss of Grapevine Canyon; G garnet-biotite tonalite of Grapevine, of the |  | | Report (issue) | | CRATER FLAT TUFF AND SOME OLDER VOLCANIC UNITS, NYE COUNTY, NEVADA by W. J. Carr, F. M. Byers, Jr., and Paul...CRATER FLAT TUFF and SOME OLDER VOLCANIC UNITS, NYE COUNTY, NEVADA By W. J. Carr, F. M. Byers, Jr., and...CRATER FLAT TUFF, AND SOME OLDER VOLCANIC UNITS, NYE COUNTY, NEVADA By W. J. Carr, F. M. Byers, Jr., and Paul...formation near the southeast edge of Crater Flat, just north of U.S. Highway 95. In previous work, the Tram Member... """· i i i i 0'\ '( CALDERA ~)' '"-,1 GRAPEVINE ~, PEAK Q11~..0 '", ,,,..)- ~ ~~ ~ /"';o' |  | Scott, Robert B., Harding, Anne E., Swadley, W.C., Novak, Steven W., Pampeyan, Earl H. (1991) Preliminary geologic map of the Vigo NW Quadrangle, Lincoln County, Nevada. Open-File Report Vol. 1991 (91-389) US Geological Survey doi:10.3133/ofr91389 | Report (issue) | | GEOLOGIC MAP OF THE VIGO NW QUADRANGLE, LINCOLN COUNTY, NEVADA By Robert B. Scott \ Anne E. Harding 2...containing less than 2 percent phenocrysts of plagioclase and olivine. Most of unit is massive but contains...boundaries of the unit in the Elgin SW quadrangle to the north. Exposed at one locality along northern boundary...small cliffs and moderate to gentle slopes in the north-central part of the quadrangle. Map unit is as thick...fragments. Map unit exposed in the northwestern and north-central part of the quadrangle where it forms moderate |  | | Report (volume) | | -trending faults______________________________ North-northeastward-trending faults_________________________...mines_______________________________________ Boulder CountY----------------------------------~-----------Jamestown...Generalfeatures--------------------------------------Blue Jay mine, by R. U. King__________________________ Fair Day...mine________________________________________ Nations Treasure mine, by R. U. King___________________ Victory group...Description of principal mines-Continued Boulder County-Continued Other areas __________________________ |  | | Report (issue) | | GEOLOGIC. MAP OF THE DELAMAR 3 SW QUADRANGLE, LINCOLN COUNTY, NEVADA By William R. Page, W C Swadley, and Robert...quadrangle to about 35 m thick in the north-central part Tkg Grapevine Spring unit-Informally named, rhyolitic...tuff consisting of one compound cooling unit. Grapevine Spring unit is unit VI of Novak (1984). Map unit...the unit is 14.1 Ma (Novak, 1984). Thickness of Grapevine Spring unit ranges from about 75 m along the east...east border of the quadrangle to about 5 m in the north-central part Sunflower Mountain unit--Informally |  | | Report (issue) | | Salt Creek, Pipe Creek, Lone Tree Canyon, and Grapevine Creek, in the Bright Angel quadrangle ; and Cottonwood...vast areas buried under Paleozoic and later strata north and south of the canyon that the chance of deciphering...Creek; T, Lonetree Canyon; U, Boulder Creek; V, Grapevine Creek; W, Cottonwood Creek; X, Hance Creek; Y;...consists essentially of quartz, microcline, soda plagioclase, muscovite, Archean rocks examined in Granite...Canyon ...................... 4. Copper Canyon (near mine) .............. _...... 5. Gorge of Colorado River |
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