 | | Journal (article/letter/editorial) | | 95, 2000, pp. 1719–1737 The Fluid Inclusion and Mineralogic Record of the Transition from Liquid- to...Vapor-Dominated Conditions in The Geysers Geothermal System, California JOSEPH N. MOORE,†MICHAEL C. ADAMS...Antigonish, Nova Scotia, Canada BG2 2W5 Abstract The Geysers, an active vapor-dominated geothermal system...inception at 1.2 to ~0.3 Ma when the modern vapor-dominated regime formed. As the hydrothermal liquids boiled...in which the flow of steam was balanced by downward percolation of condensate. A record of the transition |  | | Report (issue) | | U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Some fluid-inclusion measurements for geothermal...geothermal drill holes in California, Nevada, £1 Salvador, and Russia By Keith E. Bargar Open-File Report...S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade...purposes only and does not imply endorsement by the U.S. Government. !U.S. Geological Survey, 345 Middlefield........................................... .3 The Geysers ............................................ |  | | Report (Issue volume) | | LIBRARY UNIVERSITY OF CALIFORNIA DAVIS GtULlAil pplement 2 to INERALS OF CALIFORNIA r 1958 through 1961...1961 UNIVERSITY OF CALIFORNIA DAVIS SEP 1 5 1PM Ui=JKAKY STATE OF CALIFORNIA THE RESOURCES AGENCY...MINERALS OF CALIFORNIA For 1958 Through 1961' By JOSEPH MulbodH ^%^j; \> University of California, Los... Angele0 And ROBERT W. WE^B ^ Supplement 2 California Division of Mines Ferry Building, LIBRARY UNIVERSITY...Francisco, 1964 of' .STATE )5#MUND ^^^ OF CALIFORNIA G. BROWN, Governor PIhe resources agency FISJHER/ |  | | Journal (article/letter/editorial) | | Copyright 0 I995 Elsevw Science Ltd Printed in the USA. All rights reserved 0016-7037/95 $9.50 + ...Institute. 391 Chipeta Way, Salt Lake City. UT 84108. USA ‘Geothermal Power Operations, Unocal Corporation...Corporation, 3576 Unocal Place. Santa Rosa, CA 95406. USA (Received October 3, 1994; accepted in revised form...form June 15, 1995 ) Abstract-The Geysers, California, is the site of a long-lived hydrothermal system...response to the intrusion of a hypabyssal granitic pluton. Although wells drilled into The Geysers produce |  | | Report (issue) | | Wairakite CaAl2 Si4 O12 ² 2H2 O ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Monoclinic...calcite, aragonite, quartz. Distribution: Some of the known localities follow. In New Zealand, on North...Lake Taupo, and in the Tui mine, Te Aroha, Auckland. In the USA, from The Geysers, Sonoma Co., and near Rosamond...Rosamond, Kern Co., California; in Yellowstone National Park, Wyoming; and Mt. Rainier National Park...Islands. In the Buttle Lake area, Vancouver Island, British Columbia, Canada. In Japan, in the Seikoshi |  | | Journal (article/letter/editorial) | | 1001–1023 Mineralization and Hydrothermal History of the Tiwi Geothermal System, Philippines JOSEPH N. MOORE...Geothermal and Power Operations, Santa Rosa, California 95401 MATTHEW T. HEIZLER, New Mexico Bureau...Environmental Science, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 Abstract...several large geothermal fields in the Philippines. In 1992, the drilling of Matalibong-25 provided nearly...nearly 1,650 m of continuous core from the geothermal reservoir. A maximum temperature of 275°C at 1 |  | | Journal (article/letter/editorial) | | Printed in The Netherlands MINERALOGICAL AND FLUID INCLUSION FEATURES OF ROCK ALTERATIONS IN THE SEIGOSHI...SEIGOSHI GOLD SILVER MINING DISTRICT, WESTERN PART OF THE IZU PENINSULA, JAPAN NAOTATSU SHIKAZONO Geological...rock alterations in the Seigoshi gold-silver mining district, western part of the Izu Peninsula, Japan...alterations occur in the Seigoshi gold--silver mining district, in the western part of the Izu Peninsula, Japan...Japan. The propylitic alteration has the following zonal arrangement from the deeper portion to the shallower |  | | Journal (article/letter/editorial) | | MICROSCOPIC IDENTIFICATION OF SINGLE C R Y S T A L S OF WAIRAKITE, A R A R E C O M P O N E N T IN C L A Y S KLARA...Abstract--Crystallites of the finest fraction of a clay mineral from Rosamund, California, which account for...for over 50 per cent of the total weight, are identified as wairakite single crystals of 0.l-1 size. High-magnification...proved that the basal plane of the crystallite aligned perpendicular to the electron beam is the (111) plane...suggested on the basis of the present study and the report of previous investigators that the pseudocubic |  | | Journal (article/letter/editorial) | | INTRODUCTION In the fall of 1929 the Carnegie Institution drilled a 124-m well in the Upper Geyser Basin...were studied by Fenner (1934, 19 36), who published the first detailed accounts of subsurface hydrothermal...ore deposits that thermal fluids can react with the rocks they contact so that both change their compositions...variables-such as the duration of thermal activity or the composition of the fluid before it enters the system-studies...systems are discussed in three massive volumes forming the proceedings of a United Nations conference (1976) |  | | Journal (article/letter/editorial) | | AND NEWS THE AMERICAN MINERAI,OGIST, VOL. 43, JULY_AUGUST, 1958 OCCURRENCEOF WAIRAKITE AT THE GEYSERS...GEYSERS,CALIFORNIA A. SrnrNnn, l{ew Zealand.GeologicalSurvey, Wellington, New Zealand'. Wairakite, the lime...identified recently in a greywacke fragment from The Geysers,California. This fragment, made available by courtesy...depth of 600 feet and casedto 200 feet. At The Geysers,wairakite, undoubtedly of hydrothermal origin, replaces...fractures in the greywacke. Thus its occurrenceresemblesthat at Wairakei. The Californian wairakite displays |  | | Journal (article/letter/editorial) | | AND NEWS THE AMERICAN MINERAI,OGIST, VOL. 43, JULY_AUGUST, 1958 OCCURRENCEOF WAIRAKITE AT THE GEYSERS...GEYSERS,CALIFORNIA A. SrnrNnn, l{ew Zealand.GeologicalSurvey, Wellington, New Zealand'. Wairakite, the lime...identified recently in a greywacke fragment from The Geysers,California. This fragment, made available by courtesy...depth of 600 feet and casedto 200 feet. At The Geysers,wairakite, undoubtedly of hydrothermal origin, replaces...fractures in the greywacke. Thus its occurrenceresemblesthat at Wairakei. The Californian wairakite displays |  | | Journal (article/letter/editorial) | | use only. u.s. Geological Survey, Menlo Park, California INTRODUCTION Numerous reports issued by many...many local or national public agencies deal with the compositions of potable or otherwise useful ground...concentrate on processes and reactions that control the water compositions because causal relations have...primarily for their compositions. The classification is deliberately loose. The classic papers of White (165...genetic classifications of waters and recognize the existence of gradations between some types. Further |  | | Book | | 257889 PEMBERTON' HOFE CALIFORNIA MINERALS 2995 SEP 1933 OINCO Digitized by the Internet Archive in...org/details/mineralsofcalifo00pemb MINERALS OF CALIFORNIA - MINERALS OF CALIFORNIA H. Earl Pemberton ~ VAN NOSTRAND...rights reserved. No part of this work covered by the copyright hereon may be reproduced or used in any...retrieval systems - without permission of the publisher. Manufactured in the United States of America Published...Published by Van Nostrand Reinhold Company Inc. L35 West 50th Street, New York, N.Y. 10020 Van Nostrand Reinhold | | | Book | | ^ '“ P r . . . I West Orange SOUTH SAN FRANCISCO PUBLIC LIBRARY 9048 00992838 7 257989 R q549...q549 PEMBERTON, H.E MINERALS OF CALIFORNIA P 2995 IpSl q 49 f 07. 257889 ^ pe B T 5 w! balJ E...caufornia 2995 SEP 1933 0#MC0 Digitized by the Internet Archive in 2016 https://archive.org/d...org/details/mineralsofcalifoOOpemb MINERALS OF CALIFORNIA MINERALS OF CALIFORNIA H. Earl r i L ] Pemberton ...used in any form or part of this work covered by the copyright hereon by any means - graphic, elec- tronic |  | Bird, Dennis K., Schiffman, Peter, Elders, Wilfred A., Williams, Alan E., McDowell, S. Douglas (1984) Calc-silicate mineralization in active geothermal systems. Economic Geology, 79 (4) 671-695 doi:10.2113/gsecongeo.79.4.671 | Journal (article/letter/editorial) | | Departmentof Geology,StanfordUniversity,Stanford,California 94305 PETERSCHIFFMAN,* WILFRED A. ELDERS,ALAN...Geophysics and PlanetaryPhysics,Universityof California,Riverside,California92521 AND S. DOUGLAS McDOWELL...Houghton,Michigan49931 Abstract Calc-silicates in the systemCaO-FeO-MgO-Fe203-A1203-TiO2-SiO2-H20 are animportant...geothermal systems areheulandite, laumontite,wairakite,prehnite,epidote,garnet,sphene,clinopyroxene,...characteristics ofhydrothermal fluidsassociated with the occurrenceof thesemineralscan be readilyobtainedfrom |  | | Journal (article/letter/editorial) | | iron-poor prehnites from the Way Linggo epithermal Au-Ag deposit, southwest Sumatra, and the Heber geothermal...geothermal field, California R. S. WHEELER1, P. R. L. BROWNE1,2 AND K. A. RODGERS1,3,* 1 Department of Geology...from the Way Linggo low-sulphidation epithermal Au-Ag deposit of southern Sumatra, show that the mole...(Fe3++Al VI), ranges from 0.0 to ~0.6, the higher values being among the most iron-rich reported for prehnite...Prehnites from a diabase sill in the Heber geothermal field of California have mole fractions of octahedral |  | | Report (issue) | | MINERALS OF CALIFORNIA THE GOLDEN BEAR The Golden Bear Nugget of Yankee is NUGGET said to have...have been found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in...throughout her lifetime. The lost identity of the nugget's finder, and the lock of record of her lifetime...lifetime part of the mystery that surrounds many famous gems and and death, are nuggets. The nugget was...was acquired by the California Federation of Minerologicol Societies insignia fornia by undetermined |  | | Journal (article/letter/editorial) | | retention of an organic material by montmorillonite in the presenceof water (Brindley, Rustom). 627 Ajoite,...(Miyashiro, (AnIwasaki) dreev) Alkali feldspars: IV. The cooling hiStory of high-temperature sodium-rich feldspars...Almond, H., Nonfibrous ulexite from the Kratner District, California 169 Almond, H., with Smith, G. L....from the Kramer borate district, California 1068 with Aller-r. R. D. Nonllbrous ulexite from the Krarner...Krarner District, California 169 (Moss) Alttn'rian (:natroalunite) 1225 Aluutinum boride monocrystals, microhardness |  | | Journal (article/letter/editorial) | | duced with the camera in the normal position and pairs of front reflection lines produced with the camerain...camerain the rotated position. Table 1 shows a comparison of the correction factors obtained for three different...of silicon using both methods.It can be seenthat the agreementin this caseis good to one part per thousand...accurate values of the lattice spacing from r-ray powder photographs taken by the Debye-Scherrer method...Inst.20,83l. THE AMERICAN MINERALOGIST, VOL. 47, MAY JUNE, 1962 WAIRAKITE IN WEST INDIAN SPILITIC |  | | Journal (issue) | | Beach, CA 9 2 6 5 2 . The Mineralogical Record Inc. s 8 non p oftt organization The Mineralogical Record...Record magazine is published by the Mineralogical Record Inc., 7413 N. Mowry Place Tucson, Arizona 85741 Editor...circulation manager for rates.) • Individuals (outside the U.S.): $33 for one year, $64 for two years. (Airmail...paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ............. B. Spaulding R. A. Mason & R. F. Martin , California locality index ............................. |  | | Journal (article/letter/editorial) | | Implications for Ancient High Temperature Activity of the Orakeikorako Geothermal Field, Taupo Volcanic Zone...Orakeikorako provides information on the hydrologic and thermal regime of the geothermal system, which is presently...high as 265°C. The presence of almandine in Drillhole OK-1, at 1312.5m drilled depth, is the only known occurrence...geothermal system from New Zealand. The formation temperature of the almandine, is not consistent with...geothermal system, that may be invaluable when developing the resource: (a) as mineral thermometers; (b) to estimate |  | | Journal (article/letter/editorial) | | Printed in Northern Ireland The zeoIite facies, with comments on the interpretation of hydrothermal...This facies largely bridges the gap between The met~o~hi~ geology of the New Zeahmd ~eos~el~e dienesis...is found in basic igneous rocks of the O&ma Complex. Separating the zeolitic rocks from typical greensohists...quartz-p&mite and quartz-pmnpellyita assemblages. The significance of zeolite sequences in amygdales is...some support to two broad generalizations: firstly the water content relative to (Ca,Na,)O.Al,O, tends to |  | | Journal (article/letter/editorial) | | Relations of Wairakite, CaAI~Si4012.2H~O J . G. L i c i t Department of Geology, University of California, Los...Angeles, California 90024 Received March 23, 1970 Abstract. Hydrothermal investigation of the bulk composition...over the temperature range 200---500 ~C and 500---5,000 bars Pfluid- The fully ordered wairakite was synthesized...synthesized unequivocally in the laboratory, probably for the first time. The gradual, sluggish and continuous...continuous transformation from disordered to ordered wairakite evidently accounts for failure by previous investigators |  | | Journal (article/letter/editorial) | | complete suites of the 40 currently recognized species are not known to exist even in the largest museum...occur in the same environment. Apart from the metal ore minerals, Zeolites were some of the earliest...investigated when the science of min eralogy began. In 1756, Baron Axel Cronstedt, a Swedish mining engineer...discoverer of the element nickel, was the first to describe Zeolites. The term Zeolite is derived from the Greek...gas flame and watch the stilbite expand like a bit of "serpent" fireworks from the Fourth of July as water |  | | Journal (article/letter/editorial) | | AcrNowr,nnGMENT The preliminary work on this mineral occurrencewas conducted at the GeologyDepartment...GeologyDepartment of Princeton University, and the chemicalanalyses were very kindly provided by that department. Subsequentwork...observations on wairakite and non-cubic analcime. Minual. Afag. 3O, 699-708. Doxmllv, T. W. (1959), The geology...stability of the calcium zeolites.four. Geol.,68, 41-53. SrRrNon, A. (1955), Wairakite, the calcium analogue...3O,691-698. (1958), Occurrence of wairakite at The Geysers, California. Am. Mineral'.,43,781. Wrsr, W. |
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