 | | 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...\I i! II II BULLETIN OF THE ·, I !V I ii VIRGINIA POLYTECHNIC INSTITUTE Engineering Experiment Station...Series No. 151 Ii !I ·1 " ii :c H I I I I ! VIRGINIA MINERAL LOCALITIES ( SUPPLEMENT II ) By Richard |  | | 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) | | Artz, sunk a shaft near- Smoky Hill River, in Trego County, prospecting for zinc. It is stated that some...clay shales extended through a large part of Ellis County and were especially well exposed in the bluffs...along Smoky Hill River in the southern part of that county. A great number of assays of these shales were...work in Trego County, all the later developments have taken place in Ellis County, adjoining Trego Count}7...one of the west-central counties of Kansas. Its county seat, Hays, is located on the line of the Union |  | | Report (volume) | | _________________ Schematic sections along major Virginia rivers ______ View of the cliffs just below Wilmont...Location of structural features in part of the Virginia Coastal Plain ________________________ View of...Miocene sediments underlying the Coastal Plain of Virginia and the adjacent areas of North Carolina and Maryland...Formation is 28 m thick in the Claremont area of Surry County, Va., and is approximately 5 to 10m thick in exposures...over much of its outcrop belt across the central Virginia Coastal Plain. The Eastover Formation is composed |  | | Report (issue) | | Formation (upper Miocene and lower Pliocene) of Virginia and North Carolina GEOLOGICAL SURVEY PROFESSIONAL...Formation (upper Miocene and lower Pliocene) of Virginia and North Carolina By JOSEPH E. HAZEL GEOLOGICAL...FORMATION (UPPER MIOCENE AND LOWER PLIOCENE) OF VIRGINIA AND NORTH CAROLINA By JOSEPH E. HAZEL ABSTRACT...ABSTRACT 78 The Yorktown Formation of Virginia and North Carolina is divided into three ostracode assemblage...age and the last, which is poorly represented in Virginia, is considered to be early Pliocene in age. The |  | | Report (volume) | | Quaternary age, chert gravel of undetermined age, and quartz sandstone that fills joints in the Galena dolomite...Prairie du Chien group. The St. Peter is a very clean quartz sandstone that is generally well sorted and averages...Whitney, 1862, p. 363). A zone of pyrite-cemented quartz grains about 5 feet below the top of the St. Peter...alluvial deposits of clay, sand, and gravel; and quartz sandstone in joints in the Galena dolomite. The...south along the Mississippi Valley. Boulders of quartz sandstone in joints about 30 feet below the top |  | | Journal (article/letter/editorial) | | the Smoky Hill chalk and Fort Hays limestone of Trego, Gove. Rooks and other counties are described and...ten years ago an examination was made of Harvey County from the point of view of oil possibilities. There...western Kansas were studied and the region of Harvey County revisited. I t is the purpose of this article to...Fort Hays limestone and Smoky Hill chalk of Gove, Trego, Graham, Sheridan, and Rooks counties. THE STRUCTURE...some of the creeks over the eastern half of Harvey County. The minor crumplings are of little importance |  | | Journal (article/letter/editorial) | | feet thick near Voda in Trego County, 456 feet in the Halliday well in Ford County, and 344 feet in the...the Garden City well in Finney County. INTRODUCTION The surface exposures of the Comanchean of Kansas are...formation above. The former is a light-colored quartz sandstone with a maximum thickness in the eastern...be in the region south of Marquette in McPherson County, where there are around 100 feet of these strata...for many years. The discovery of oil in Russell County has greatly stimulated exploration, and has encouraged |  | | Report (volume) | | the ruby, sapphire, spinel, emerald, rutile, and quartz of gem quality have been synthesized. The best...Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each...of silica (quartz, 7 on Moh's scale) particles, a gem stone should be harder than quartz. Some minerals...react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow, pale-green...sapphire, star sapphire, star ruby, rutile, and quartz are gem stones that have been successfully synthesized |  | | Report (issue) | | Detailed description of minerals—Continued Silicates Quartz(Si02) Hemimorphite (Zn2SiO4.H20) Muscovite, variety...Premineralization relations __ Relations during ore deposition Quartz stage Dolomite stage Solution stage Pyrite stage...Buzzard's Roost diggings, and Big Bill mine ___________ Trego-Anthony mine Meekers Grove mine Dall mine and Cook...Empire mine Hibernia mine Trego-Great Northern mine Columbia mine Grant County (Lucky-Four) and Homestead...Piquette mine Tennyson mine Preston Point Level mine Trego No. 2 mine Wilson and Bootjack mines Piquette prospect |  | | Book (volume) | | Carolina, South Carolina, Tennessee, Virginia, and West Virginia VOLUME 3: THE NORTHWESTERN QUANDRANT...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text...(in soil, matrix, road cut, pegmatite, shoreline, quarry, gravel pit, prospect, mine, etc.). Let’s take...under the heading of Nebraska, on the map of Sioux County, the site x How to Use This Book indicated |  | | Journal (issue) | | House of Representatives, chaired by Charles B. Trego, of Philadelphia, read a report of the need to conduct...consideration. It is of interest to note that Mr. Trego was to become one of the Survey assistant geologists...campaign of field work. Mr. Frazer went to Bedford County and , starting at Hopewell , where coal was being...the Potomac River. The examination of the Bedford County geology in the first year of the Survey, resulted...conclusion that the coals of the Broad Figure 2. A quarry in limestone, Consohocken. Sketched by G. Lehman |  | | Report (volume) | | the Belmont and Calamine quadrangles, Lafayette County, Wis. 23. Columnar section. 24. Generalized sections...The Belmont and Calamine quadrangles in Lafayette County, Wis., include about 110 square miles of the Upper...almost entirely of fine to coarse well-rounded quartz grains. These rocks are generally crossbedded....and calamine quadrangles, located in Lafayette County in southwestern Wisconsin, include about 110 square...zinc-lead mining district (fig. 47.) Darlington, the county seat, is on the east edge of the area, and Platteville |  | | Report (issue) | | of the Black Rock Desert consists of the various county maps and more recent detailed mapping, as discussed...geology of the area as compiled from the three county geologic maps (Bonham, 1969; Willden, 1964; and...roof pendants; (2) Cretaceous granodiorite and quartz-monzonite intrusive rocks; and (3) Tertiary sedimentary...hundreds of meters to a quartz monzonite and, near intrusive borders, to a quartz diorite or a diorite (Bonham...Black Rock Desert and ranges to the southeast of Trego, the northwest trend of the Granite Range, and the |  | | Journal (article/letter/editorial) | | pebbles from the Old Red Sandstone in thin-section Quartz-rich feldspar porphyry with plagioclase phenocrysts...Feldspar porphyry with pilotaxitic groundmass lacking quartz, seen in partly doubly polarised light facing...light showing earl y hematite veining and a later quartz veining f acing Cleaved ac id tuff seen in partly...serpulids encrusting crustacean burrows; Foss Cross Quarry, Cotswolds Serpulids encrusting ste inkern of Pleuromya...Pleuromya where cut by crustacean burrow Foss Cross Quarry, Cotswolds Top view of burrowed, bored and encrusted |  | Personius, Stephen F., Briggs, Richard W., Maharrey, J. Zebulon, Angster, Stephen J., Mahan, Shannon A. (2017) A paleoseismic transect across the northwestern Basin and Range Province, northwestern Nevada and northeastern California, USA. Geosphere, 13. 782-810 doi:10.1130/ges01380.1 | Journal (article/letter/editorial) | | northwestern Nevada and northeastern California, USA Stephen F. Personius1, Richard W. Briggs1, J. Zebulon...Survey, MS 966, PO Box 25046, Denver, Colorado 80225, USA Department of Geology and Geophysics, University...99775, USA 3 Center for Neotectonic Studies, University of Nevada, Reno, MS 174, 1664 N. Virginia Street...Street, Reno, Nevada 89557, USA 4 Crustal Geophysics and Geochemistry Science Center, U.S. Geological Survey...Survey, MS 974, PO Box 25046, Denver, Colorado 80225, USA 1 doi:10.1130/GES01380.1 2 13 figures; 3 tables; |  | Lund, S., Benson, L., Negrini, R., Liddicoat, J., Mensing, S. (2017) A full-vector paleomagnetic secular variation record (PSV) from Pyramid Lake (Nevada) from 47–17 ka: Evidence for the successive Mono Lake and Laschamp Excursions. Earth and Planetary Science Letters, 458. 120-129 doi:10.1016/j.epsl.2016.09.036 | Journal (article/letter/editorial) | | found in the same sediment record from the western USA. Our new PSV record also corroborates previous estimates...grains in both separates appeared to be translucent (quartz) with embedded black crystals inside them. These...identified in other sediment sequences from the Western USA near the time of the Mono Lake Excursion (Benson...chemical analysis (Benson et al., 2013). These are the Trego Hot Springs, Wono, Carson Sink, and Marble Bluff...(2017) 120–129 Table 2 Ash chronostratigraphy. Ash Trego Hot Springs Wono Carson Sink Marble Bluff Depth |  | | Journal (article/letter/editorial) | | upon his life. Another "charmer," little Laura Trego, who lived with Mr. and Mrs. J. B. McDonald, figures...rendezvous of the "Douglas Boys." On September 1, the County Convention nominated him for State Senator by acclamation...only success ful candidate of his party in Yuba County. A "sparring school," a gymnasium and a fencing...Sat. 21, ? Attended the District Court [of Nevada County] Judge Searles presiding23 had the statement settled...in the procession with Rebeccas. took Miss Laura Trego to the theatre and afterwards McQuaid[,] Laura & |  | | Book | | Gove County Schermerhorn Cave, south of Galena, Cherokee County A waterfall in Cherokee County Sandstone...Sandstone in Chautauqua County Osro Falis, along the Caney River, Chautauqua County Burning grass in the Flint...Morris County Layers of flint in limestone, Riley County Glacial debris atop a hill, Wabaunsee County Alcove...Oregon Trail, Marshall County Pillsbury Crossing, along Deep Creek, Riley County Hart House, made of native...Stone fencepost, Russell County Mushroom Rocks State Park, Ellsworth County Two pinnacles in the Red |  | | Report (issue) | | facts for gravity stations in Maryland, northern Virginia, southern Pennyslvania and the District of Columbia...map of the Lake Cachuma quadrangle, Santa Barbara County, California. Santa Barbara, Calif. : Dibblee Geological...of the San Marcos Pass quadrangle, Santa Barbara County, California. Santa Barbara, Calif. : Dibblee Geological...map of the Carpinteria quadrangle, Santa Barbara County, California. Santa Barbara, Calif. : Thomas Wilson...of the Hildreth Peak quadrangle, Santa Barbara County, California. Santa Barbara, Calif. : Thomas W. |  | | Report (issue) | | Unit in Ellis, Rush, and Trego Counties; the Glen Elder Unit in Mitchell County; the Kanopolis Unit in...Cheyenne County; the Webster Unit in Osborne County; and the Wilson Unit in Lincoln County. (See fig...ground-water resources of Republic County and northern Cloud County, Kans., by V. C. Fishel, 2 contains...levels in 11 we lls in Norton County and in four wells in Phillips County are being made periodically....three of these wells are in Jewell County and two are in Republic County. Measurements of the water level |  | | Book (volume) | | gold-bearing areas. Lode deposits usually consist of Quartz veins in solid rock, while placer deposits occur...Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |  | | Journal (issue) | | Good Old Days— 20 Fourth of July—As It Was PEGGY TREGO Other Features— 5 6 34 35 Letters from our Readers...Name(please print) Address City Zone State Outside USA and Canada, odd $1 a year M 795 4 / Desert Magazine...Mineral Show, Reno. Through the 8th: San Diego County Fair at Del Mar. 2-4: All Indian Pow Wow Flagstaff.../ July, 1962 equipment for the show. In 1876 Virginia City went to extremes to provide a tremendous...Southern Fremontia, an evergreen from San Diego County and Baja California, must not be watered in summer—the |  | | Report (volume) | | Calcite 51 � Dolomite 51 � Selenite 52 � Barite 52 � Quartz 52 � Paragenesis � 52 Galena or lead ores � 52...of Clubs mine � Meekers Grove district • General Trego, Raisbeck, and Gritty Six mines� � Doll mine � Shullsburg...exposed in the city quarries at type locality; B, quarry rock of the Platteville 22 covered by wavy beds...Lafayette, and Iowa counties in Wisconsin, Jo Daviess County in Illinois, and an irregular narrow belt of terri...to be very rare. There is none of the radiated quartz, or white, opaque, heavy spar, which is so common |  | | Report (volume) | | cientlfica Circular Classe classification Company, County Collections Committee Communications Comparative...Abstracts nos. 5, 6. Bethlehem, Pa. Los Angeles County Museum: Publications nos. 4-7; Quarterly vol. 6...Burlington, Vt. Virginia Academy of Sciences Proceedings 1945-46, 1946-47. Charlottesville, Va. Virginia Geological...[Guidebooks]. West Virginia Academy of Sciences Proceedings vol. 18. Morgantown, W. Va. West Virginia Geological...Rombough. 1. Drainage of upper Twin Lake, Fresno County, Calif, [abstract]: Geol. Soc. America Bull., vol |
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