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| OREGON GEOLOGY published by the Oregon Department of Geology and Mineral Industries VOLUME 59, NUMBER...ISSUE : ZEOLITES IN THE CASCADE RANGE Of NORTHERN OREGON NATlON.A.l. NMUUt. LAI'...WTHQUAK.E INFOIlMAT10N KAS COME TO OOGA.Y.I OREGON GEOLOGY (ISSN 0164-3304) VOLUME 59, NUMBER 5 ...fIII6y, July, September, and NCNerTlber by the Oregon Department of Geok:lgy and Minerallndusbies. (Volumes.....Kate Halstead Main Office: Suite 965, 800 NE Oregon Street # 28, Portland 97232, phone (503) 731 -4100 |
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| hydrothermal minerals in the Cascade Mountains of northern Oregon by Keith E. Bargar and Robert L. Oscarson Open-File...area ........................................ .6 Newberry volcano ........................................Clinoptilolite ...................................... 11 Laumontite ...............................................from outcrops and geothermal drill holes in the Oregon Cascade Mountains ................... 24 4. Scanning...Scanning electron micrograph showing euhedral laumontite crystals ........... 35 15. Ca+Mg Na K+Ba+Sr |
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| Scanning electron micrograph of euhedral, prismatic laumontite crystals ..... .49 Ca+Mg Na K+Ba+Sr ternary diagram...diagram for electron microprobe analyses of laumontite..........................................................101 Electron microprobe analyses of laumontite ............................ 102 Electron microprobe...370 m) were collected for this investigation. Volcanic glass and open spaces of fractures, vesicles,...drill holes located both outside and within the caldera show the effects of hydrothermal alteration. The |
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| Reconnaissance geology of the Mount Edgecumbe volcanic field, Kruzof Island, southeastern Alaska, by...Concentric structure in elongate pillows, Amador County, Calif., by W. A. Duffield._______________________________...lapilli deposits from Central Pumice Cone, Newberry Caldera, Oreg., by M. W. Higgins______ Similarity...__________ Ultramafic xenoliths in basalt, Nye County, Nev., by N. J. Trask___-____-___________----_...Pink copper-bearing prehnite from Isle Royale National Park, Mich., by N. K. Huber_____________________________ |
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| Copyright © 2001 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/01 $20.00 ⫹ .00 Pergamon...Sciences Stanford University, Stanford, CA 94305-2115, USA 2 Science Institute, University of Iceland, Dunhagi...the observed temperature of the stilbite SS to laumontite (leonhardite) transition in Icelandic geothermal...widespread products of ground water reaction with volcanic rocks and volcaniclastic sediments during low-grade...pore fluids and the hydrologic conductivity of volcanic aquifers (e.g., Neuhoff et al., 2000). Geologic |
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| west-northwest–east-southeast trending Pleistocene volcanic arc system formed as a result of northeastward...Cocos plate under the Caribbean plate. A series of volcanic edifices reaching up to 1900 m were formed in...major topographic feature associated with the volcanic system is an east-trending Central Graben formed...Central Graben with the inner slope of the young volcanic chain. These geothermal systems show surface expressions...GEOTHERMAL SYSTEM This field is developed within a caldera structure whose complex patterns of faults, superimposed |
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| Cenozoic tectonics of the Cascade arc, Washington, Oregon, and California Ray E. Wells..................... and regional tectonic setting of the Cascade volcanic province Richard J. Blakely and Robert C. Jachens...circulation in the Cascade Range, north-central Oregon Steve E. Ingebritsen, David R. Sherrod, and Robert...Robert H. Mariner.. 122 Heat flow in the Oregon Cascade Range and its correlation with regional gravity...Range in Oregon David R. Sherrod and LedaBeth G. Pickthorn..................... 351 Volcanic history |
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| heulandite + stilbite (Zone II), to corrensite + laumontite (Zone III), to chlorite + epidote (Zone IV),...Biotite Mordenite Heulandite Stilbite Chabazite Laumontite Wairakite Albite Sphene Epidote Actinolite Calcite...lll is defined by the presenceof corrensite and laumontite. The rocks from the middle part of the Yotsuzawa...subzone) and subzone IIIb (epidote-present subzone). Laumontite with corrensite occurs commonly in both subzonesas...chlorite and epidote and the absenceof corrensiteand laumontite. The rocks from the lower part of the Yotsuzawa |
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| from a sulfur- and pyrite-rich clay deposit in the Oregon Cascades. The deposit is located along a fault...fault zone west of Crater Lake, in Eocene-age volcanic rocks. Mineralogical relationships were used to deduce...Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, California 94550; e-mail...the antibacterial mechanism of clay marketed by Oregon Mineral Technologies Inc. (OMT) as healing clay...illitesmectite (I-S) and thought to be related to volcanic activity in the Massif Central region of France |
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| "Structural adsorptive characterization of activated volcanic tuffs." Buletinul Institutului Politechnic din...and H. Konno (1973). "Synthesis of analcime from volcanic sediments in sodium silicate solution. Experimental...(1982). "Hydrothermal synthesis of kaolinite from volcanic tuff." Tohoku Kogyo Gijutsu Shikensho Hokoku 15:..."Generator of oxygen-enriched air by adsorption on volcanic tuff." Revista de Chimie (Bucharest) 34(10): 883-886...(1984). "Studies on complex upgrading of some volcanic tuff ores in Romania. I." Revista de Chimie (Bucharest) |
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| Little Owyhee River wilderness study area, Owyhee County, Idaho." U. S. Geological Survey Bulletin 1719-C:...silica-rich zeolites related to Upper Cretaceous volcanic formations of the Lesser Caucasus." Geol. Mestorozhd...in the Sucker Creek Formation (Miocene), eastern Oregon." Clays and Clay Minerals 38: 561-572. Altyntsev...of heulandite-clinoptilolite from Succor Creek, Oregon, U. S. A.: a single-crystal x-ray study at 100...and T. Kohler (1992). "Re- and dehydration of laumontite: Neues Jahrbuch fuer Mineralogie. Monatshefte |
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| A293-A298 of this chapter. Numerous Federal, State, county, 1and local agencies and other organizations and...-----Structural and geophysical studies_ - -----Grand Teton National Park and vicinity--Igneous and metamorp hie rocks_...___ _ Washington ___________________________ _ Oregon _______________________________ _ California _...and petrology-Con. Volcanic rocks and processes _________ -------_ Al19 Volcanic activity ______________________...______________________ _ 119 Chemistry of volcanic rocks and gases ____ _ 121 Xenoliths in basalt _____________________ |
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| 1965. 1966. 1967. 1968. Numerous Federal, State, county, and local agencies and other organizations and...______ North Carolina-__--___--__--__-_-___-._ Oregon._ ______________________________ South Dakota_____________...Montana disturbed belt.________________ Yellowstone National Park and vicinity. __ Snake River Plain______________________...-____ Washington-- _ ____--__-_-_-_______-_--_ Oregon ____-_______----_--_-__-_--__-_Nevada __ _____..._______________________________ Volcanic rocks and processes. _ _______________ Recent volcanic activity. ________________ |
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| ________________ Lithium investigations in sedimentary and volcanic rocks ______________________ Phosphate investigation...—— —— _______ California _______________-_—————— Oregon ___________——-——--———-_-Washington _——————————————————...______________________ Nevada _____________________ Oregon ________________———___ Washington _________________...Coordination ___ Water-data storage system _____—__ National Water Data Exchange _____ Urban water program...program ________—__ Water use _____________________ National water quality programs ______ The Regional Aquifer-System |
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| 1966 1967 1968 1969 1970 Numerous Federal, State, county, and local agencies and other organizations and...••.••••••..•.•••... Yellowstone and Grand Teton National Parks ••••.• Geological and geophysical studies...•• Washington .......................•........ Oregon .................................. . Idaho ......silicate, and of gowerite ....................• Volcanic rocks and processes .................... . Plutonic...investigations .......•.......•..•..•........ Volcanic investigations .......•...........•......•. Cosmic |
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| complex and difficult, and more critical to the National Welfare. W^ V. E. McKELVEY, Director III CONTENTS...___72 California ___________________________72 Oregon ____________________________________76 Regional...___123 Nevada _____________________________124 Oregon _____________________________124 Washington __...coordination, acquisition, and storage _ _______124 National water data exchange ____________126 Water-data...___________________127 Water use ________________________127 National water-quality programs _ _ _ _ _ __ _132 Marine |
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| Taipei, Taiwan, China. Science reports of the National Acta Geophys. Polonica- Acta Geophysica Polonica...Quaternaire. Pub lie avec le concours du Centre National de la Recherche Scientifique. Paris, France. Assoc...Geotechnical Journal. Revue Canadienne de Geotechnique. National Research Council of Canada. Ottawa, Ontario, Canada...Canadian Jour. Botany- Canadian Journal of Botany. National Research Council of Canada. Ottawa, Ontario, Canada...Jour. Chemistry- Canadian Journal of Chemistry. National Research Council of Canada. Ottawa, Ontario, Canada |
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| ---------------------------New Mexico -----------------------Oregon ---------------------------Utah --------------...-----------------------California -----------------------------Oregon -------------------------------Washington ----...---------~evada -------------------------------Oregon -------------------------------Washington ____...------------------129 Mineral studies --------------------130 Volcanic rocks and processes ------------131 Hawaiian volcanoes...-----------------132 Volcanic rocks in the Western United 132: States ----------------------132 Volcanic rocks in |
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| Taipei, Taiwan, China. Science reports of the National Acta Geophys. Polonica- Acta Geophysica Polonica...Canada. Canada Natl. Mus. Anthropology Papers- National Museum of Canada Anthropology Papers. Ottawa,...Canada. Canadian Alpine Jour. Alberta, Canada. National Museum of Canada Bulletin. Canadian Alpine Journal...Geotechnical Journal. Revue Canadienne de Geotechnique. National Research Council of Canada. Ottawa, Ontario, Canada...Canadian Jour. Botany- Canadian Journal of Botany. National Research Council of Canada. Ottawa, Ontario, Canada |
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| zircon, turquoise, nephrite jade, and jadeite jade) USA Aquamarine Emerald Jadeite jade Nephrite jade Peridot...pegmatite areas include the Pala area of San Diego County in California, the Nuristan area of Afghanistan... Kenya rubies (Mangari area of the Tsavo West National Park) are found in micaceous metamorphic rocks;...climate GEOARCHAEOLOGY 17 Figure 2 Sedgefield, County Durham. Fluxgate gradiometer data. 1 0.5 m. Romano...densities. In 1972, the first survey of Canada’s National Geochemical Reconnaissance program collected lake |
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| Hydrogeology, awrf Environmental Remediation: Idaho National Engineering and Environmental Laboratory, Eastern...Geosciences Idaho State University Pocatello, Idaho 83209 USA and L. L. Mink Idaho Water Resources Research Institute...Hall University of Idaho Moscow, Idaho 83844-3011 USA SPECIAL PAPER 353 Geological Society of America...Place, P.O. Box 9140, Boulder, Colorado, 80301-9140, USA. Copyright is not claimed on any material prepared...hydrogeology, and environmental remediation: Idaho National Engineering and Environmental Laboratory, Eastern |
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| Late Mesozoic conglomeratic flysch in southwestern Oregon, and the problem of transport of coarse gravel...measurements of the Miocene geomagnetic field in Oregon: Pure and Appl. Geophysics, v. 82, p. 189-221,...Cuba; Acad. Ciencias URSS. Atlas nacional de Cuba [National atlas of Cuba]: Havana, Cuba, Acad. Ciencias de... George G. The Metaline district, Pend Oreille County, Washington, [Chap.] 6 in Lead-zinc deposits in...fill of Red Light Bolson, southeastern Hudspeth County, Texas, in Geology of the southern Quitman Mountains |
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| Herbert Kroll (Münster), Rob Lavisnky (Dallas, USA), Heike Lehner (Heidelberg), Joachim Lorenz (Karlstein.... . . . . . . . . . . . . . . . . . . . Mixed Volcanic Activity: Stratovolcanoes . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . Volcanic Exhalations . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . Volcanic Roots and Magma Chambers. . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . Volcanic Gases. . . . . . . . . . . . . . . . . . . . |
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| Mount St. Helens and the scientist in charge of volcanic-gas studies, Dave spent long hours working on...accepting the dangers of on-site monitoring of active volcanic . processes. The volcano-monitoring effort of...Precambrian volcanic rocks in the Upper Peninsula of Michigan. This interest in volcanic phenomena intensified...intensified with subsequent work in the San Juan volcanic field of southwestern Colorado and on Augustine...focused on the fundamental role of volatiles in volcanic processes, as he continued his studies on Augustine |
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| glacial Lake Missoula in western Washington State (USA). However, most material deposited from suspension...latter, although they are clearly important in hot volcanic dust suspensions (e.g., ignimbrites). The most...Mississippi Delta on the south east coast of the USA, showing a sediment plume issuing from the mouth...Tanganyika), whereas those in areas containing volcanic rocks and old sediments are sand- and mud-rich...transport for Nahal Yatir, Israel and Oak Creek, USA (right) showing the difference between sediment fluxes |
