 | Giachetti, Thomas, Hudak, Michael R., Shea, Thomas, Bindeman, Ilya N., Hoxsie, Erin C. (2020) D/H ratios and H2O contents record degassing and rehydration history of rhyolitic magma and pyroclasts. Earth and Planetary Science Letters, 530. 115909 doi:10.1016/j.epsl.2019.115909 | Journal (article/letter/editorial) | | OR, USA Department of Geology and Geophysics, University of Hawaii at Manoa, Honolulu, HI, USA a r...T.A. Mather Keywords: rehydration pyroclastic obsidian pumice open-system degassing closed-system degassing...a more gentle effusion of viscous lava forming obsidian flows. Another prevailing characteristic of these...juvenile product is similar to the tephra and obsidian flow in composition, but is generally less degassed...Glass Mountain rhyolitic eruption at Medicine Lake Volcano (California) were analyzed for their porosity |  | | Journal (article/letter/editorial) | | www.elsevier.com/locate/epsl Flow banding in obsidian: A record of evolving textural heterogeneity during...Science, University of California, 307 McCone Hall, Berkeley, CA 94720-4767, USA Received 29 October 2004;...of banding in obsidian from Big Glass Mountain (BGM), Medicine Lake Volcano, California and from Mayor...was already present at any given time. Banded obsidian from BGM and MI can be found in close spatial...n Keywords: volcanology; mixing; flow banding; obsidian; fragmentation; fractal 1. Introduction * Corresponding |  | | Journal (article/letter/editorial) | | Sciences, 1272 University of Oregon, Eugene OR, 97403, USA Received 9 June 2004; received in revised form 24...permeability of crystal-poor obsidian flow and pumice samples from Medicine Lake Volcano, USA, are measured to assess...through magma. Consistent with prior studies, the Medicine Lake data indicate that fluids can readily percolate...similar origin from Obsidian Dome, USA. Rather, the permeabilities of Medicine Lake samples show a gradual...samples from Soufriere Hills Volcano, Montserrat, and Mount Saint Helens, USA. We suggest that both vesicle |  | | Report (issue) | | Late Holocene Volcanism at Medicine Lake Volcano, Northern California Cascades Professional Paper 1822...horizon. Medicine Lake can be seen beyond and to the left of dome of Glass Mountain proper. The lake lies...lies within the Medicine Lake caldera at the center of Medicine Lake volcano. Late Holocene Volcanism at...at Medicine Lake Volcano, Northern California Cascades By Julie M. Donnelly-Nolan, Duane E. Champion...2016, Late Holocene volcanism at Medicine Lake volcano, northern California Cascades: U.S. Geological Survey |  | | Report (issue) | | chamber underlying the Mono Craters area, eastern California, as determined from teleseismic travel time residuals:...Forester, R. M., and Rieck, H. J., 1986, Tule Lake, California: A 3.0-m.y. core record from the Hodoc Plateau...investigations in the Puhimau thermal area, Kilauea volcano, Hawaii (abs.): Geophysics, v. 50, p.274. (0) Anderson...time-domain electromagnetic soundings near Medicine Lake, California (part 2): U.S. Geological Survey Open-File...frequency-domain electromagnetic soundings near Medicine Lake, California: U.S. Geological Survey Open-File Report |  | | Report (issue) | | Argon dating at and near Medicine Lake volcano, California: Results and data By Julie M. Donnelly-Nolan...Location map showing approximate outline of Medicine Lake volcano lavas, which are shown in gray. Dots are...... 8 Tables 1. Potassium-Argon ages, Medicine Lake volcano and vicinity. ............................................ 9 2. 40Ar/39Ar ages, Medicine Lake volcano and vicinity...............................29 5. Comparison of early rhyolite ages, Medicine Lake volcano ....................................... |  | | Journal (article/letter/editorial) | | Rice University, P.O. Box 1892, Houston, TX 77005, USA art ic l e i nf o a b s t r a c t Article history:...consistent with values provided in the literature on obsidian hydration dating and with the extrapolation of...from the 1110 AD eruption of Medicine Lake Volcano (MLV), Northern California Matrix-glass water concentration...Pinatubo 1991AD (Pre-climax) 1991AD (Climax) Medicine Lake Plinian Phase 890BP Dome Phase 890BP 107 108...data and sources are summarized in Table 1. Volcano (reference) Eruption type and date/age Mount |  | | Journal (article/letter/editorial) | | 1007/s00410-018-1479-9 ORIGINAL PAPER Microlite orientation in obsidian flow measured by synchrotron X-ray diffraction...(andesine) microlites in an obsidian flow from Glass Mountain (NE California, USA) display strong alignment...pure shear strains are between 2 and 3. Keywords Obsidian · Microlite alignment · Texture analysis · Crystal-preferred...Crystal-preferred orientation, Strain estimates Introduction Obsidian in natural lava flows preserves a number of textural...Planetary Science, University of California, Berkeley, CA 94720, USA 2 Earth and Environmental Sciences |  | Giachetti, Thomas, Gonnermann, Helge M., Gardner, James E., Shea, Thomas, Gouldstone, Andrew (2015) Discriminating secondary from magmatic water in rhyolitic matrix-glass of volcanic pyroclasts using thermogravimetric analysis. Geochimica et Cosmochimica Acta, 148. 457-476 doi:10.1016/j.gca.2014.10.017 | Journal (article/letter/editorial) | | Houston, TX, USA Jackson School of Geosciences, University of Texas, Austin, TX, USA c Department of...Geophysics, SOEST, University of Hawaii, Honolulu, HI, USA d Department of Mechanical and Industrial Engineering...Engineering, Northeastern University, Boston, MA, USA b Received 3 February 2014; accepted in revised form...explosive Glass Mountain eruption of Medicine Lake volcano, California, contain large amounts of water. This...III of the 1912 Plinian eruption of Novarupta volcano, Alaska, indicated the possibility that the magma |  | | Report (issue) | | THE CASCADE RANGE May 22-23, 1985 Menlo Park, California Sponsored by the U.S. Geological Survey Geothermal...Patrick Muffler U.S. Geological Survey Menlo Park, California 94025 Open-File Report 85-521 This report is...Volcanism in the Southernmost Cascade Range, California Michael A. Clynne ........................................ 31 Geothermal Potential of Medicine Lake Volcano Julie M. Donnelly-Nolan .......................... 34 Mount Mazama and Crater Lake Caldera Charles R. Bacon ........................... 37 The |  | | Journal (article/letter/editorial) | | Arizona State University, Tempe, AZ 85287-1404, USA Received 3 April 2000; received in revised form 8...rights reserved. Keywords: D/H; meteoric water; obsidian; hydration of glass; domes; volcanic risk 1....Introduction The hazard potential of any active volcano is strongly in£uenced by the way volatiles are...and Glass Mountain from Medicine Lake Volcano in northern California, and Obsidian Dome adjacent to Long...Long Valley Caldera in eastern California. Most samples were collected from 3^8 m tall spines that project |  | | Journal (issue) | | phone (503) 229-5580. OIL AND GAS NEWS Columbia County Reichhold Energy Corporation drilled Adams 34-28...recently completed redrill of Columbia County 4. Clatsop County Oregon Natural Gas Development Company's...pending the decision whether to redrill. Douglas County Florida Exploration Company has abandoned the 1-4... Howard C. Brooks, Resident Geologist Yamhill County Nahama and Weagant Energy Company recently drilled...View to the northeast of the caldera of Newberry Volcano. The paper beginning on next page discusses the |  | | Report (chapter) | | London, Special Publications Obsidian: sacred glass from the California sky Susan Fox Hodgson Geological...of Otago on August 28, 2014 Obsidian: sacred glass from the California sky SUSAN FOX HODGSON P. O....Califonlia 95617, USA (e-mail: cosmos@dcn.org) Abstract: For at least 13 000 years, California Indians mined...and worked obsidian, trading the precious volcanic glass near and far, including obsidian and its uses...lives and beliefs. The cultural importance of obsidian is emphasized by the fact that a number of tribal | | | Report (issue) | | QWHULRU 86*HRORJLFDO6XUYH\ USGS Cascades Volcano Observatory 5400 MacArthur Blvd. Vancouver WA 98661.........................................56 Emmons Lake........................................................................................155 Imuruk Lake.....................................................................................170 Alligator Lake.................................................................................188 5 Garibaldi Lake................................................ |  | | Journal (article/letter/editorial) | | evolution of young silicic lavas at Medicine Lake Volcano, California: Implications for the origin of compositional...Menlo Park, CA 94025 Abstract. At Medicine Lake Volcano, California, the com- positional gap between...composition gap). At Mt. Mazama and Mt. St. Helens, USA and Aso Caldera and Shikotsu, Japan the amphibole-beating...was important. At Krakatau, Indonesia and Katmai, USA, an augite + orthopyroxene-bearing assemblage was...Pleistocene to Holocene silicic flows from Medicine Lake volcano, California, and two types of magmatic inclusions |  | | Journal (issue) | | Bakersfield, California, concluded a multi-well drilling program at the Mist Gas Field, Columbia County, during...ft, and plugged and abandoned; and the Columbia County 31-15-65, located in NE~" sec. 15, T. 6 N., R....36-009-00298 NW'/" sec. 35 T. 7 N., R. 5 W. Columbia County Application; 2,023. 474 Nahama and Weagant LF...36-009-00299 NW'/" sec. 33 T. 7 N., R. 5 W. Columbia County Application; 2,148. 475 Nahama and Weagant Adams...36-009-00300 NW'/4 sec. 31 T. 7 N., R. 4 W. Columbia County Application; 1,800. 0 U.S. POSTAL SERVICE STATEMENT |  | | Journal (article/letter/editorial) | | Petrogenesis and 23~ disequilibrium at Mt. Shasta, California, and in the Cascades Sally Newman*, J. Douglas...Institution of Oceanography, La Jolla, CA 92093, USA Abstract. Petrogenesis at Mr. Shasta is dominated...is a monotonic decrease in this ratio from Crater Lake south through Lassen Peak, perhaps reflecting increasing...northern California volcanoes is Division of Geological and Planetary Sciences, California Institute...Institute of Technology, Pasadena, CA 91125, USA ** Present address: Lawrence Livermore Laboratories, P.O. Box |  | | Book (edition) | | j3 ROADSIDE EOLOGY of Northern and Central California David Alt and Donald W. Hyndman Mountain Press...David D. Roadside geology of Northern and Central California / David Alt and Donald W. Hyndman. p. cm. - (Roadside...0-87842-409-1 (alk. paper) 1. Geology-California-Guidebooks. 2. California-Guidebooks. I. Hyndman, Donald W...Shirley Lava Beds National Monume nt OREGON / Goose Lake ,_,_..... ---.'1..:9~9.)-~---r r- -, , - - -t -...nvi le Leggett Coast Range ,.~ Reno 1 Calpella Lake Ta hoe Point Yosemit Nation Basin and Range |  | | Report (issue) | | Produced in the Western Region, Menlo Park, California Manuscript approved for publication, July 19...extends 1,250 km from Lassen Peak in northern California to Meager Mountain in Canada, above the subduction...Geothermal Research Program was enhanced by the USGS Volcano Hazards Program following the 1980 eruption of...caldera environments, primarily in Long Valley, California, and Yellowstone. On the basis of all these field......................................10 Garibaldi Lake Volcanic Field................................. |  | Brophy, J. G., Dorais, Michael J., Donnelly-Nolan, Julie, Singer, Bradley S. (1996) Plagioclase zonation styles in hornblende gabbro inclusions from Little Glass Mountain, Medicine Lake volcano, California: implications for fractionation mechanisms and the formation of composition gaps. Contributions to Mineralogy and Petrology, 126 (1) 121-136 doi:10.1007/s004100050239 | Journal (article/letter/editorial) | | inclusions from Little Glass Mountain, Medicine Lake volcano, California: implications for fractionation mechanisms...United States Geological Survey, Menlo Park, California B. S. Singer Department of Mineralogy, University...of Medicine Lake volcano (shaded area); b an enlarged view of the central portion of the volcano showing...general. Medicine Lake volcano, located in the southern Cascade Range of northern California east of the...axis (Fig. 1) is a Pleistocene to Holocene shield volcano that has a well-defined fractionation-generated |  | | Report (issue) | | Archive in 2012 with funding from University of California, Davis Libraries http://archive.org/details...RESPONSE CAPABILITIES VOLCANIC HAZARD ZONES OF CALIFORNIA €3 CVft. SPECIAL PUBLICATION 63 PROCEEDINGS...PROCEEDINGS OF A WORKSHOP ON VOLCANIC HAZARDS IN CALIFORNIA DECEMBER 3—4,1981, SACRAMENTO "^^DAVio (assert in...AERO; ^3 CALIFORNIA DEPARTMENT OF CONSERVATION DIVISION OF MINES AND GEOLOGY STATE OF CALIFORNIA EDMUND...RESPONSE IN CAPABILITIES VOLCANIC HAZARD ZONES OF CALIFORNIA Edited by Roger C. Martin and James F. Davis |  | | | | Archive in 2012 with funding from University of California, Davis Libraries http://archive.org/details...RESPONSE CAPABILITIES VOLCANIC HAZARD ZONES OF CALIFORNIA €3 CVft. SPECIAL PUBLICATION 63 PROCEEDINGS...PROCEEDINGS OF A WORKSHOP ON VOLCANIC HAZARDS IN CALIFORNIA DECEMBER 3—4,1981, SACRAMENTO "^^DAVio (assert in...AERO; ^3 CALIFORNIA DEPARTMENT OF CONSERVATION DIVISION OF MINES AND GEOLOGY STATE OF CALIFORNIA EDMUND...RESPONSE IN CAPABILITIES VOLCANIC HAZARD ZONES OF CALIFORNIA Edited by Roger C. Martin and James F. Davis |  | Grove, T. L., Kinzler, R. J., Baker, M. B., Donnelly-Nolan, J. M., Lesher, C. E. (1988) Assimilation of granite by basaltic magma at Burnt Lava flow, Medicine Lake volcano, northern California: Decoupling of heat and mass transfer. Contributions to Mineralogy and Petrology, 99 (3) 320-343 doi:10.1007/bf00375365 | Journal (article/letter/editorial) | | basaltic magma at Burnt Lava flow, Medicine Lake volcano, northern California: Decoupling of heat and mass...Cambridge, MA 02139, USA 2 US Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, USA 3 Lamont-Doherty...University, Palisades, NY 10964, USA Abstract. At Medicine Lake volcano, California, andesite of the Holocene...other Holocene and Pleistocene lavas at Medicine Lake volcano and use the combined evidence to develop...limited in scope to a single lava flow at a single volcano, it provides an excellent example Offprint requests |  | | Journal (article/letter/editorial) | | Pleistocene lacustrine sediments near Summer Lake, Oregon, USA Stephen C. Kuehn and Robert M. Negrini Geosphere...Pleistocene lacustrine sediments near Summer Lake, Oregon, USA Stephen C. Kuehn* Department of Earth and...Physics and Geology, California State University, Bakersfield, California 93311, USA ABSTRACT Distal tephra...chronostratigraphic markers. Lacustrine sediments near Summer Lake, Oregon (United States), record numerous eruptions...been correlated to deposits outside of the Summer Lake basin. The remaining 65 beds provide a record of |  | | Journal (article/letter/editorial) | | petrological study is presented for six phenocryst-poor obsidian samples (73–75 wt% SiO2) erupted as small volume...Sciences, University of Michigan, Ann Arbor, MI 48109, USA e-mail: lewaters@umich.edu higher dissolved water...Rhyolite Obsidian Degassing-induced crystallization Plagioclase Orthopyroxene Medicine Lake Western...Western Mexican arc Introduction Fresh obsidian samples of rhyolite composition (73–75 wt% SiO2) with...(dominantly 74–76 wt% SiO2; 1.5–2.0 wt% CaO) from Taupo Volcano, New Zealand, contains plagioclase and orthopyroxene |
|
