 | | Report (issue) | | Richter, 1966, ADGGS GR21, Fig. 5: mine symbol on lower Ahtell Cr with no number; 2 miles above confluence...minerals: Geologic description: Auriferous gravel at lower end of canyon. Only small amount of gravel present...minerals: Tremolite, serpentine, chlorite Geologic description: Nephrite associated with tremolite in 100...description and accuracy: Best location: Richter and Schmoll, 1973, USGS GQ 1062 loc. 1. Accurate within 100...Richter, 1971, USGS OF 473, p. 10; Richter and Schmoll, 1973, USGS GQ1062, loc. 1; Richter and others |  | Bleick, Heather A., Till, Alison B., Bradley, Dwight C., O’Sullivan, Paul, Wooden, Joe L., Bradley, Dan B., Taylor, Theresa A., Friedman, Sam B., Hults, Chad P. (2012) Early Tertiary exhumation of the flank of a forearc basin, southwest Talkeetna Mountains, Alaska. Open-File Report 2012-1232. US Geological Survey doi:10.3133/ofr20121232 | Report (issue) | | (actinolite-chlorite-plagioclase-epidote), ultramafic (tremolite ± chlorite ± talc ± serpentine), ophicarbonate...deposits and host rocks in the Willow Creek mining district, Talkeetna Mountains, south-central Alaska: Geological...Geology and ore deposits of the Willow Creek mining district, Alaska: U.S. Geological Survey, Bulletin 1004...anomalies and isotopic ages in the Willow Creek mining district, southwestern Talkeetna Mountains, Alaska: U.S...v. 151, p. 413–433. Wilson, F.H., Hults, C.P., Schmoll, H.R., Haeussler, P.J., Schmidt, J.M., Yehle, L |  | | Report (issue) | | gold related to mafic schist(?) in the Circle District, Alaska Warren Y eend 74 SOUTHWESTERN ALASKA...Inlet region Susan Bartsch-Winkler and Henry R. Schmoll 92 Late Triassic and Early Cretaceous fossil...major explosive activity triggered a tsunami in lower Cook Inlet that caused minor damage to nearby coastal...enough to pose a major direct threat to life in lower Cook Inlet communities, ash may exacerbate existing...phosphorus pentoxide than 1976 ash samples, and they are lower in aluminum oxide, iron oxide, magnesium oxide, |  | | Book | | Salzburg Hellbrunnerstr. 34lIII 5020 Salzburg Austria P.A. FLOYD Department of Geology University of...Salzburg Hellbrunnerstr. 34/III 5020 Salzburg Austria H.J. FRANZKE Geologisches Institut Leibnizstr...Graz Austria G. FUCHS Geologische Bundesanstalt Wien Rasumowsky-Gasse 23 - 25 1030Wien Austria P. ...Salzburg Hellbrunnerstrasse 34lIII 5020 Salzburg Austria H. KREUZER Bundesanstalt fUr Geowissenschaften...Geologie und Palaontologie Heinrichstr. 26 8010 Graz Austria Z. MisAR Department of Geology Charles University |  | | Report (issue) | | sedimentation, sabkha facies, diagenesis, and stratigraphy, lower part of the Chitistone Limestone the Triassic host............................................ - 37 Lower Paleozoic graptolitic section in the Terra Cotta......... 44 Cooperative stratigraphic project in lower Cook Inlet and Kodiak areas, U. S. Geological Survey...Engineering geology of Anchorage Borough, 51 by Henry R. Schmoll ............................................. Urban..................... B90 Probable Precambrian or lower Paleozoic rocks in the Fairweather Range, Glacier |  | | Report (issue) | | BayUnalakleet region Tin and tungsten deposits, Circle district Copper and gold deposits, Prince William Sound...of the mineral deposits of the southern Ambler district, where the copper-base metal occurrences are rich...base End precious metal deposits of the Delta district in the eastern Alaska Range; and (4) an analysis...complete section is 561 m (1,841 ft) thick. The lower part of the section was measured along an unnamed...unit 8 is as much as 534.4 m (1,753 ft) thick. The lower and thicker part of the unit consists of peloidal |  | | Journal (article/letter/editorial) | | within the Bohemian Massif. These units mostly show lower metamorphic grade and different P-T histories. The...higher contents of K2O, P2O5, La, Ce, Cr, Ni and lower contents of CaO and N2O. Unlike the above mentioned...facies field), strain partitioned into structurally lower unit (Micaschist Zone) and the whole nappe sequence...Laurussia (Baltica) collision in the Devonian to Lower Carboniferous. Variscan convergence, culminated...units (in Saxothuringicum and Moldanubicum): 8. lower part of allochthonous units consisting of weakly |  | RÖtzler, , Carswell, , Gerstenberger, , Haase, (1999) Transitional blueschist-epidote amphibolite facies metamorphism in the Frankenberg massif, Germany, and geotectonic implications. Journal of Metamorphic Geology, 17 (1) 109-125 doi:10.1046/j.1525-1314.1999.00183.x | Journal (article/letter/editorial) | | Iberian massif is thought to have formed in the lower part of a thrust pile at c. 330 Ma (Gil Ibarguchi...Ordovician to Upper Devonian, and, at the top, suspected Lower Carboniferous flysch (Heuse, 1994; and references...compositions, can be shown using the edenite– tremolite thermometer (Holland & Blundy, 1994) to have equilibrated...range of interest, yields pressures about 0.6 kbar lower than the original calibration of Massonne & Schreyer...Lützelbach, with the Rb/Sr ratios being invariably lower in Hammerberg samples. At first glance, the deviation |  | | Journal (article/letter/editorial) | | Notes ROBERT DEURER, ULRICH FORSTNERand GISELA SCHMOLL: Selective chemical extraction of carbonateassociated...Scalan, R. S. 1299(N) 623,150l Schilling, J.-G. Schmoll, G. 425(N) Schramm, R. E. 1051 Schreyer, W. 151(B~)...transition-state models transport of Au, humic 645 acid tremolite, basalt alteration tricyclic terpane, petroleum |  | | Report (issue) | | New ages of radiolarian chert from the Rampart district, east-central Alaska, by David L. Jones, Norman...nonmineralized quartz veins in the Port Valdez gold district, Valdez quadrangle, southern Alaska, by William...• . Progress in lead/uranium zircon studies of lower Paleozoic rocks of the southern Alexander terrane...• • • • • • • • • Geologic map of the Rampart district, showing locations of d a t e d r ad i o 1 a r...Generalized geologic map of the Port Valdez gold district, showing approximate locations of individual mines |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | Alteration and Mineralization in the Tri-State District of Missouri, Kansas, and Oklahoma, U.S.A. R.D...the Myrthengraben Gypsum Deposit, Semmering, Lower Austria W. Tufar (With 13 Figures) . . . . . . . . ...Emphasis on the Bavarian Pfahl of the Altrandsberg District) H.-W. Biiltemann and R. Hofmann (With 9 Figures)...Hydrothermal Ore Formation, Ticapampa-Aija Mining District, Cordillera Negra, Department of Ancash, Peru...sulphides was observed in the grey sandstone of Lower Permian, SW Poland. The process is connected with |  | | Report (volume) | | deformations. TECTONIC SIGNIFICANCE Figure 5. Lower hemisphere, equal-angle projection summarizing attitudes...CJ z < J: liJ ·~mm m ~c I 0 B ~ Figure 4. Lower hemisphere, equal-area projections for fault plane...+ •• • + • • •• • • A B N N c Figure 7. Lower hemisphere, equal-area projections. A, Poles to...Wolfe were preserved in sandstone dredged from the lower part of Chicken Creek. Alnus evidens may indicate...Ranges fault are interpreted to represent the "lower plate," which was accreted to the North American |  | | Book (volume) | | possibly underlain by continental crust Devonian to Lower Jurassic oceanic rocks and ophiolite Mesozoic and...topography, and nourished ice tongues that extended into lower lying areas to the north and south. Fission-track...Bering Sea, 19 in the Gulf of Alaska, and 9 in lower Cook Inlet and Shelikof Strait. Since the late 1980s...areas. In 1971 core drilling on the ocean floor and lower conti¬ nental slope at 5 sites off Kodiak Island...Chukchi Shelf, are now buried by a thick middle Lower Cretaceous to Holocene progradational continental |  | | Report (issue) | | surface geology. Prospective structures in the Lower Devonian Oriskany Sandstone or in older strata can...andesitic volcanic rocks present on the structurally lower east side of the pluton are both ash falls and lava...magnetic features over the Upper Cretaceous and lower Tertiary strata, and high amplitude, steep-gradient...in an area 20 to 40 km north of the Heddleston district in the Choteau 1° x2° quadrangle, Montana. The...placers in the Circle district, Alaska The source of gold in the Circle district is not immediately clear |  | | Report (volume) | | surface geology. Prospective structures in the Lower Devonian Oriskany Sandstone or in older strata can...andesitic volcanic rocks present on the structurally lower east side of the pluton are both ash falls and lava...magnetic features over the Upper Cretaceous and lower Tertiary strata, and high amplitude, steep-gradient...in an area 20 to 40 km north of the Heddleston district in the Choteau 1° x2° quadrangle, Montana. The...placers in the Circle district, Alaska The source of gold in the Circle district is not immediately clear |  | | Report (issue) | | consistent with the low stress drop events having a lower fall-off than high stress drop events by the the...Stations WMC, LVA, CRY and SND consistently showed lower average corner frequencies and/or higher frequency...near Knight Island in the summer of 1985, and a lower magnitude threshold that is applied to this area...Geometry of the subducted plate near Kodiak Island and lower Cook Inlet, Alaska, determined from relocated earthquake...preliminary radiocarbon age of a sample from the lower part of this alluvium suggests that deposition of |  | | Report (issue) | | 147. Gold deposits in the French Gulch-Deadwood district, Shasta and Trinity Counties, California, by John...in primary metallization in the Central mining district, Grant County, New Mexico, by W. R. Jones, R....__ --------222. Ground-water conditions in the lower Tallaboa Valley, 'Puerto Rico, by I. G. Grossman...-------'---------------------224. Structure of Lower Taylor Glacier, South Victoria Land, Antarctica...hydrous strontium borate from the Kramer borate district, Ca.lifornia, by Richard C. Erd, Vincent Morgan |  | | Report (issue) | | into (a) district and regional studies and (b) commodity and topical studies. The district and regional...find that magnetic anomalies in the Marquette district are related to four groups of rocks: (1) prominent...important new ore deposits near the Ely mining district. Geologic mapping revealed structural irregularities...mineralization in southeastern Arizona. In the 7th district, at Bisbee, a granitic rock was dated at about...previously reported (Kinkel,l-62). In the Pima copper district, Arizona, large-scale mapping by J. R. Cooper |  | | Report (issue) | | ________________ 217 Regional offices _---- _-- ---_- _-_217 District offices__-___----___-_-__ ____ 217 Offices in...Cortez occurs in a window of carbonate rock in the lower plate of the Roberts Mourtains thrust fault. Detailed...Silurian Roberts Mountains Limestone and (or) the lower part of the Devonian Wenban Limestone, have been...elsewhere in the 17-sq-mi altered area within the district may therefore be clues to concealed ore deposits...Wrucke and T. J. Armbrustmacher have shown that the lower plate of the Roberts Mountains thrust lies at an |  | | Journal (issue) | | 20, ECORS-CROP) eontain a new set of data on the lower erust whieh has been interpreted in different ways...eurrently fashionable model depiets the European lower erust (ELC) as gently dipping below the Adriatie...shallow level (Extern al Massifs); the stacks of lower crust imbrications at the intermediate level may...results were obtained which showed a clearly defined lower erust under part of the Alps. Participants in the...vertical ruling = the main - considered to be the lower crust, based on the migrated elements of the Western |  | | Report (issue) | | Robert M. Egbert, and Lee F. Krystinik __ Cretaceous-lower Tertiary depositional relations, northeastern Alaska...Richard M. O'Leary Placers and placer mining, Circle District, by Warren E. 5 9 11 12 13 ~~ Pollen studies...Alaska, by John E. Decker and Joseph M. Hoare . Lower Cretaceous (Albian) rocks on the Alaska Peninsula...stratigraphic section of Lower Cretaceous rocks on Katmai Bay_ 52.-Photographs of Lower Cretaceous fossils...monocrystalline, microcrystalline, or crypto- These lower values for hardness and density are 1mm A 1mm |  | | Report (volume) | | Fillmore County: Pederson, C. A. New Jersey, Dover district, magnetite: Sims, P. K., 1. South Dakota, Black...geology. Iron, Dover district, magnetite: Sims, P. K., 1. Iron. New Jersey, Dover district, magnetite: Sims...and ore deposits of the East Shasta copper-zinc district, Shasta County, California [abs.]: Dissert. Abs...Almond, Hy). Nonfibrous ulexite from the Kramer district, California: Am. Mineralogist, v. 43, nos. 1-2...G. W. H. Norman and on the Cherry Creek mining district by R. E. Lehner. Anderson, David Hugh. (and Hawkes |  | | Report (issue) | | Areas indicates that favorable areas are in the lower plate of the Snake Range decollement and that rocks...mineral resource appraisals of the Hells Hole and Lower San Francisco Wilderness Study Areas^ (RARE II)...The main target for mineral exploration in the Lower San Francisco area is the partially exhumed 26 to...identification of two distinct sequences of rock. The lower sequence is a sulfide-bearing intrusive composed...granodiorite in the central part of the Gold Basin district gives an age of 86 m.y., most probably reflecting |  | | Report (volume) | | Areas indicates that favorable areas are in the lower plate of the Snake Range decollement and that rocks...mineral resource appraisals of the Hells Hole and Lower San Francisco Wilderness Study Areas^ (RARE II)...The main target for mineral exploration in the Lower San Francisco area is the partially exhumed 26 to...identification of two distinct sequences of rock. The lower sequence is a sulfide-bearing intrusive composed...granodiorite in the central part of the Gold Basin district gives an age of 86 m.y., most probably reflecting |  | | Report (issue) | | Regional offices ________________________ _ 259 District offices _________________________ _ 259 Offices...province Bodie district, Oalifornia.-Detailed geochronologic studies in the Bodie district, Mono County...K-Ar method used. Goldfield district, Nevada.-The main Inining district at Goldfield, in Esmeralda and...mesothermal episode of base metal enrichment. Tenmile district, Nevada.- Gold-quartz-adularia veins occur in...Tertiary granodiorite intrusive in the Tenmile district near Winnemucca, Humboldt County, Nev. Fluid-inclusion |
|
