 | | Report (issue) | | deposits probably associated with mafic diorite-quartz diorite complex Alteration: Age of mineralization:...Gangue minerals: Quartz Geologic description: Disseminated pyrite and small quartz-pyrite veins in small...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...description and accuracy: Best location: Richter and Schmoll, 1973, USGS GQ 1062 loc. 1. Accurate within 100 |  | Odum, J.K., Yehle, L.A., Schmoll, H.R., Gilbert, Chuck (1986) Description and interpretation of geologic materials from shotholes drilled for the Trans-Alaska Crustal Transect project, Copper River basin, Alaska, May 1985. Open-File Report Vol. 1986 (86-408) US Geological Survey doi:10.3133/ofr86408 | Report (issue) | | By Jack K. Odum 1 , Lynn A. Yehle 1 , Henry R. Schmoll 1 , and Chuck Gilbert 2 Open-File Report 86-408...Nay 1985 Jack K. Odum, Lynn A. Yehle, Henry R. Schmoll, and Chuck Gilbert INTRODUCTION The TACT (Trans-Alaska...Border Ranges fault system, and the underlying lower crust and upper mantle beneath the northern Chugach...ejected intermediate distances. With relatively lower velocity of the ejecta, all materials, especially...Lake Atna (Mendenhall, 1905, p. 70; Ferrians and Schmoll, 1957); Nichols, 1965; Ferrians, 1971; Williams |  | | Report (issue) | | Gangue minerals: Quartz Geologic description: Disseminated pyrite and small quartz-pyrite veins occur...accuracy: This prospect is on the ridge west of lower Stratton Creek. It is at an elevation of about 4...placer mine is on Willow Creek, a north tributary to lower Ahtell Creek. It is at an elevation of about 2,700...River Meridian. This is locality 1 of Richter and Schmoll (1973), locality 5 of Richter and others (1975)...Calcite, quartz Geologic description: Gold occurs in 1/4- to 2 -inch-thick stringers of quartz, calcite |  | | Journal (article/letter/editorial) | | (Stettner, 1975), palynological evidence suggests a Lower Devonian protolith age for at least some of the...r on biotite; Kreuzer et al. 1990) and through Lower Permian acid volcanics (see Emmert, 1981). The latter...resulting genetic fault populations were plotted on a lower hemisphere Schmidt net according to the method of...hornfelses; Dfirrer Schlag quarry) and b ZEV (amphibolites, Rupprecht quarry); equal-area lower hemisphere projection...preserved within amphibolites and calc-silicates of the quarry and Pr 2cm i ! 493 the geothermic borehole |  | | 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...analysis of the Perseverance Slate and gold-bearing quartz veins in the south ore body of the Alaska-Juneau...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 |  | | Report (volume) | | Alaska By JACK K. ODUM, LYNN A. YEHLE, HENRY R. SCHMOLL, CYNTHIA A. GARDNER, and LARRY L. DEARBORN Prepared...Formation 6 4. Photograph of Susitna River mouth and lower Susitna Flats area of the upper Cook Inlet region...Alaska By Jack K. Odum, Lynn A. Yehle, Henry R. Schmoll, Cynthia A. Gardner, and Larry L. Dearborn 1 Abstract...bed between both drill holes indicates that the lower two-thirds of drill hole USGS 2C-80 lies stratigraphically...both holes is believed to be representative of the lower part of the Tyonek Formation of early Oligocene |  | | Report (issue) | | sedimentation, sabkha facies, diagenesis, and stratigraphy, lower part of the Chitistone Limestone The Triassic host...analysis of the Perseverance Slate and gold-bearing quartz veins in the south ore body of the Alaska-Juneau...Slope: 823-B, p. B6-B8. Bartsch-Winkler, Susan, and Schmoll, H.R., 1984, Convoluted beds in late Holocene intertidal...Johnson, B.R., and Nutt, C.J., 1976, Key foliated quartz diorite sill along southwest side of Coast Range...Tatsumoto, Mitsunobu, 1977, Probable Precambrian or lower Paleozoic rocks in the Fairweather Range, Glacier |  | | Report (issue) | | stages of Alaskan glaciation are recognized (H. Schmoll, written comm., 1994). The youngest stage includes...those of unit Qsd that are exposed to the east at lower, more accessible, locations. Source of most of the...presence of euhedral olivine and reaction-rimmed quartz in the same flow. An irregular body of dacite that...andesite flows (unit Qbf) that erupted less than 1 Ma. Quartz-bearing high silica andesite flow (Pleistocene)--Medium...inclusion-rich plagioclase (1-8 %), rounded and embayed quartz exhibiting clinopyroxene reaction rims (trace-2 |  | | Report (issue) | | number of complex plutons, chiefly granodiorite and quartz monzonite in composition, were emplaced during...1975). In addition, plutonic rocks of diorite and quartz diorite occur ir a large plutonic-metamorphic complex...aerial photographs in collaboration with H. R. Schmoll and A. T. Fernald, who generously allowed the use...Geochemical Brooks, A. H., 1914, The Chisana placer district: U.S. Geol. Survey Bull. 592, p. 309-320. data...10 p. Cairnes, D. D., 1915, Upper White River district, Yukon: Canada Geol. Survey Mem. 50, 191 p. * |  | | Report (volume) | | By RANDALL G. UPDIKE, HAROLD W. OLSEN, HENRY R. SCHMOLL, YOUSIF K. KHARAKA, and KENNETH H. STOKOE, II A...By Randall G. Updike, Harold W. Olsen, Henry R. Schmoll, Yousif K. Kharaka, and Kenneth H. Stokoe, Ill...rather than by leaching of a marine deposit. The lower zone is comparable in strength to the upper zone...original configuration. logging of the core (Schmoll and Updike), geotechnical (Olsen) and geochemical...maps by Schmoll and Dobrovolny (1972) and in new dating of the Bootlegger Cove Clay by Schmoll and others |  | | 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) | | ___._______ 31 Biostratigraphy of the Permian and Lower Triassic rocks in the Philip Smith Mountains quadrangle...Chapman __ 41 Newly discovered Upper Triassic and Lower Cretaceous strata in the northern Kuskokwim Mountains...Geochemical anomalies in the Willow Creek mining district, Talkeetna Mountains, by M. L. Silberman and R...Area Borough, by Ernest Dobrovolny and Henry R. Schmoll ________._____ 52 Geohydrology of the Anchorage...Miocene mollusks from the Topsy Formation, Lituya district, by Louie Marincovich_____ 58 Glacier Bay National |  | | 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 (chapter) | | contribution to our knowledge of the nature of the lower Variscan crust R. Meissner SUMMARY: Near-vertical...generally a strong reflectivity in the Variscan lower crust between the Conrad level at 6 s two-way travel...and the Moho at 9-10 s, i.e., 27-30 km depth. The lower crust seems to consist of thin lenses or lamellae...behind mafic and ultramafic 'splinters' in the lower crust and a compact ultramafic residue in the uppermost...interesting to note that the fault zone itself in the lower crust acts as a reflecting boundary (Meissner et |  | | Report (issue) | | ............................... 5 Gold-Bearing Quartz-Carbonate Veins and Placer Gold and Platinum.....ounces (17.7 million grams) from the Willow Creek district between 1909 and 1950; production continued into...into the 1980's. The Willow Creek mining district contributed substantially to the development of south-central...come from the Wishbone Hill district; between 1916 and 1952 the district produced 3,284,723 short tons...and Nelchina Rivers, scale 1:63,360. Yehle and Schmoll (1987a, b, 1988,1989) Surficial geologic maps |  | | Report (issue) | | Major Unconformity Between Upper Ordovician and Lower Devonian Strata in the Nanook Limestone, Shublik...Mineralization by Metamorphic Fluids in the Chandalar District, Southern Brooks Range--Fluid Inclusion and Oxygen-Isotopic...South-Central Alaska Donald H. Richter, Henry R. Schmoll, and Dana J. Bove 114 Hydrocarbon Source Potential...Photograph taken June 13, 1986. Turner Glacier in lower left corner; Gilbert Point and Russell Lake near...G., 1986, Velocity and surface altitude of the lower part of Hubbard Glacier, Alaska, August 1987: U |  | | Report (volume) | | surficial deposits are generalized from maps by H.R. Schmoll and Ernest Dobrovolny of the U.S. Geological Survey...TO STRATIGRAPHY is exposed from the Girdwood district north to the Knik River, "volcanic tuffs." They...(1916) observations, showed that, in the Girdwood district, the "volcanic tuffs" discordantly overlie Cretaceous...younger than and lithologically different from the Lower Jurassic Talkeetna Formation described by Barnes...as "slates and graywackes of the Kachemak Bay district." Examination of of outcrops of this unit along |  | | Book | | Survey and Velocity Plate Boundary Studies J. SCHMOLL, R. BITTNER, H.-J. DURBAUM, T. HEINRICHS, R. MEISSNER...Sandmeier, K.-J. sehmidt, 1. 151 Elottmanns 0. 205 Schmoll, Franke, Fuchs, W. J. 99 Sehiissler, U. 67...crystalline nappe complexes; the nappe units; 2 lower and less metamorphic MM Munchberg nappe complex;...well-developed metamorphic layering, particularly in quartz-rich lithologies The F, folding produced the...area projection, Saxothuringian mica-schists near lower hemisphere) Neualbenreuth (A Lerchenbthl; B Froschfelsen |  | | Report (issue) | | disclose and how they may be used. Reference: Schmoll, H. R., and Dobrovolny, Ernest, 1974, Foundation...Regional Hydrologist E. R. Leeson ll ..1 Alaska District Chief Harry Hulsing Field Office Barrow, Alaska...Divisions, as well as other organizational entities of lower than Division rank. CONSERVATION DIVISION The Conservation...Road, Menlo Park, Calif. 94025. The Anchorage District office is in the Skyline Bldg., 218 ESt., Anchorage...277-5526), under the supervision of Harry Hulsing, District Chief. This office is operated on a year-round |  | | Journal (article/letter/editorial) | | Z¹M Tirschenreuth-Mähring zone; ¼ Winklarn; 2 lower nappes; 3 Saxothuringian; 4 Moldanubian; 5 late-...microscope and then processed like core samples. In the lower parts of the profile, it was also possible to collect...Sr was made by conventional chemistry using 5 ml quartz columns filled with cation exchange resin (Bio-Rad...diffraction analysis. They are composed of plagioclase, quartz and chlorite. Correspondingly, they show a very...sericite with little contamination of chlorite and quartz. Analogous to the S281 Fig. 5. Distribution |  | | Report (volume) | | chemical elements of interest in the Fortymile mining district. Two bibliographies at the end of the volume list...Glacier (figs. 58). Vegetation has reclaimed the lower flank s, tributary valleys, and Drift River valley...Volcano Observatory, 10 Years later Figures 5C. Lower north flank and piedmont glacier. Photo on top,...DROT to protect personnel from high water. The lower Drift River has reestablished its main channel to...Quaternary andesite-dacite arc volcanism in the Katmai district. Introduction The Snowy Mountain volcanic center |  | | Report (issue) | | chemical elements of interest in the Fortymile mining district. Two bibliographies at the end of the volume list...Glacier (figs. 58). Vegetation has reclaimed the lower flank s, tributary valleys, and Drift River valley...Volcano Observatory, 10 Years later Figures 5C. Lower north flank and piedmont glacier. Photo on top,...DROT to protect personnel from high water. The lower Drift River has reestablished its main channel to...Quaternary andesite-dacite arc volcanism in the Katmai district. Introduction The Snowy Mountain volcanic center |  | | Report (volume) | | chemical elements of interest in the Fortymile mining district. Two bibliographies at the end of the volume list...Glacier (figs. 58). Vegetation has reclaimed the lower flank s, tributary valleys, and Drift River valley...Volcano Observatory, 10 Years later Figures 5C. Lower north flank and piedmont glacier. Photo on top,...DROT to protect personnel from high water. The lower Drift River has reestablished its main channel to...Quaternary andesite-dacite arc volcanism in the Katmai district. Introduction The Snowy Mountain volcanic center | | 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) | | Outcrop of pelitic schist (Kps) with lens-shaped quartz pods elongate within the foliation plane. Outcrops...contain grains and clasts of plagioclase and the quartz-rich plutonic rocks. G Tar Tty 1/2 1 Kg !...altered: felted fine-grained plagioclase, sericite, quartz, calcite, iron oxide; locally contains fine plagioclase...chlorite-plagioclase rock. Foliation is mylonitic (quartz ribbons, broken feldspars) near unit contacts and...iron oxides and quartz rocks Quartz Diorite (Cretaceous)—Dominated by plagioclase, quartz, biotite, and |  | | Report (chapter) | | renewal of tectonic activity ensued within the Lower Old Red Sandstone, with pebbly low-sinuosity alluvium...deposits and the overlying continental deposits of the Lower Old Red Sandstone in southern Pembrokeshire has...evidence for a conformable transition into the Lower Old Red Sandstone. The relationship between tectonic...tectonic activity and sedimentologywithin the Lower Old Red Sandstone is also addressed. Regional setting...lay on the northwestern margin of an important Lower Palaeozoic microplate, Eastern Avalonia (Bluck |
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