 | | Report (volume) | | ·e">CNevada Distribution, Characterization, and Genesis of Mordenite in Miocene Silicic...Silicic Tuffs at Yucca Mountain, Nye County, Nevada By RICHARD A. SHEPPARD, ARTHUR j. GUDE, 3d, and JOAN j...and genesis of mordenite in Miocene silicic tuffs at Yucca Mountain, Nye County, Nevada. (U.S. Geological...3:1777 1. Mordenite-Nevada-Yucca Mountain Region. 2. Volcanic ash, tuff, etc.Nevada-Yucca Mountain Region...4. Geology-Nevada-Yucca Mountain Region. 5. Radioactive waste disposal in the ground-Nevada-Yucca Mountain |  | | Journal (article/letter/editorial) | | diageneticallyaltered volcanic rocks at Yucca Mountain, Nevada, having formed by posteruptive reactions...from fractured devitrified tuffs at the adjacent Nevada Nuclear Test Site, is approximately in equilibrium...observed in weathered zeolitized vitric tuffs at Yucca Mountain. The activity diagrams indicate that prolonged...ash-flowtuffs are the predominant rocks at Yucca Mountain, Nevada, the site of the proposed repository for...Clinoptilolites analyzedin drill-core samplesthroughout Yucca Mountain and its vicinity display wide compositional |  | | Journal (article/letter/editorial) | | PALEOHYDROLOGIC CONDITIONS IN SILICIC TUFF FROM YUCCA MOUNTAIN, NEVADA DAVID J L. BISH' AND JAMES L. ARONSON2...Abstract-The clay mineralogy of tuffs from Yucca Mountain, Nevada, the potential site of the nation's first...clay-mineral separates from three drill holes at Yucca Mountain (USW G-l, USW G-2, and USW GU-3/G-3) were studied...and G-2. The predominant clay minerals in the Yucca Mountain tuffs are interstratified liS, with minor amounts...portion of Yucca Mountain were altered 10.0-11 my ago, soon after creation of the Timber Mountain caldera |  | Feng, Xiahong, Faiia, Anthony M., WoldeGabriel, Giday, Aronson, James L., Poage, Michael A., Chamberlain, C. Page (1999) Oxygen isotope studies of illite/smectite and clinoptilolite from Yucca Mountain: implications for paleohydrologic conditions. Earth and Planetary Science Letters, 171 (1) 95-106 doi:10.1016/s0012-821x(99)00136-3 | Journal (article/letter/editorial) | | of illite/smectite and clinoptilolite from Yucca Mountain: implications for paleohydrologic conditions...Hanover, NH 03755, USA t, Los Alamos National Laboratory, EES-1/D462, Los Alamos, NM 87545, USA Received 13...in 11 Ma old altered volcanic tufts of Yucca Mountain, Nevada were analyzed for 3180 values. We reconstruct...Miocene episode of hydrothermal alteration at Yucca Mountain. We provide additional evidence for a dual...decoupled groundwater circulation system at Yucca Mountain ca. 11 Ma ago. A near-surface system dominated |  | Spengler, R.W., Chornack, Michael P., Muller, D.C., Kibler, J.E. (1984) Stratigraphic and structural characteristics of volcanic rocks in core hole USW G-4, Yucca Mountain, Nye County, Nevada. Open-File Report Vol. 1984 (84-789) US Geological Survey doi:10.3133/ofr84789 | Report (issue) | | VOLCANIC ROCKS IN CORE HOLE USW G-4, YUCCA MOUNTAIN, NYE COUNTY, NEVADA By Richard W. Spengler and M. P...Report 84-789 Prepared in cooperation with the Nevada Operations Office U.S. Department of Energy (Interagency...VOLCANIC ROCKS IN CORE HOLE USW G-4, YUCCA MOUNTAIN, NYE COUNTY, NEVADA by Richard W. Spengler1 and M. P........................................ 12 Yucca Mountain Member, bedded tuff, and Pah Canyon Member...6-4.......................[In pocket] Map showing Nevada test site and vicinity and location of study area |  | Paces, James B., Nichols, Paul J., Neymark, Leonid A., Rajaram, Harihar (2013) Evaluation of Pleistocene groundwater flow through fractured tuffs using a U-series disequilibrium approach, Pahute Mesa, Nevada, USA. Chemical Geology, 358. 101-118 doi:10.1016/j.chemgeo.2013.08.043 | Journal (article/letter/editorial) | | U-series disequilibrium approach, Pahute Mesa, Nevada, USA James B. Paces a, Paul J. Nichols b, Leonid A...through fractured felsic tuffs and lavas at the Nevada National Security Site represents the most likely...flow through areas at the Nevada National Security Site (NNSS, formerly Nevada Test Site) that hosted underground...yn . UE-19fS irs ty C UTM-Y (m) 4,130,000 Yucca Flat 4,100,000 Oasis Valle y Th 4,110,000 ...000 550,000 560,000 570,000 580,000 UTM-X (m) Nevada National Security Site boundary Sample locations |  | | Journal (article/letter/editorial) | | Vol. 45, No.5, 632-648, 1997. THE GENESIS OF A MORDENITE DEPOSIT BY HYDROTHERMAL ALTERATION OF PYROCLASTICS...replaced by authigenic zeolite and clay minerals. Mordenite dominates, and clinoptilolite (heulandite type...substantial evidence to support a hypothesis that mordenite was formed with the heulandite minerals after...very minor mordenite that was formed from a gel-like type of material. The majority of mordenite present...heulandite minerals group were transformed to mordenite. Clinoptilolite (heulandite type 3), which was |  | | Report (issue) | | PETROGRAPHY OF THE BEDDED TUFFS, YUCCA MOUNTAIN, NYE COUNTY, NEVADA By Sharon F. Diehl and Michael P...Open-File Report 89-3 Prepared in cooperation with the Nevada Operations Office U.S. Department of Energy (Interagency...PETROGRAPHY OF THE BEDDED TUFFS, YUCCA MOUNTAIN, NYE COUNTY, NEVADA By Sharon F. Diehl U.S. Geological............. Stratigraphy of bedded tuffs at Yucca Mountain.................. Methods of study............................. Diagenetic zones in the Yucca Mountain stratigraphic column...................... |  | | Report (issue) | | GEOHYDROLOGIC DATA FOR TEST WELL USW H-6 YUCCA MOUNTAIN AREA, NYE COUNTY, NEVADA by R. W. Craig, R. L. Reed, ...Report 83-856 Prepared in cooperation with the Nevada Operations Office U.S. Department of Energy (Interagency... GEOHYDROLOGIC DATA FOR TEST WELL USW H-6 YUCCA MOUNTAIN AREA, NYE COUNTY, NEVADA by R. W. Craig, R. L. Reed, and...drilled in and near Yucca Mountain adjacent to the Nevada Test Site, Nye County, Nevada, in cooperation with...of Energy. These investigations are part of the Nevada Nuclear Waste Storage Investigations to identify |  | | Report (issue) | | AND PROW PASS TUFF (CRATER FLAT GROUP) AT YUCCA MOUNTAIN, NEVADA by Thomas C. Moyer and Jeffrey K. Geslin...Vegas, Nevada U.S. GEOLOGICAL SURVEY Open-Re Report 94-460 Prepared in cooperation with the NEVADA OPERATIONS...Chief, Earth Science Investigations Program Yucca Mountain Project Branch U.S. Geological Survey Box 25046...Summary of stratigraphic relations in the southwest Nevada volcanic field...................................and Prow Pass Tuff (Crater Flat Group) at Yucca Mountain, Nevada By Thomas C. Moyer and Jeffrey K. Geslin |  | | Report (issue) | | DRILL HOLES USU GU-3 and USU G-3, YUCCA MOUNTAIN, NYE COUNTY, NEVADA Open-File Report 84-491 Prepared...Prepared by the U.S. Geological Survey for the Nevada Operations Office U.S. Department of Energy (Interagency...DRILL HOLES USW GU-3 and USU G-3, YUCCA MOUNTAIN, NYE COUNTY, NEVADA By Robert B. Scott*, and Mayra Castellanos2...............(in pocket) 1. Location map of Yucca Mountain...................... 3 2. Location of drill... at Yucca Mountain................................ Generalized geologic map of Yucca Mountain showing |  | | Journal (article/letter/editorial) | | Vol. 39, No. 3, pp. 239-247, 199 1. K-RICH MORDENITE FROM LATE MIOCENE RHYOLITIC TUFFS, ISLAND OF SAMOS...University of Patras, Patras 261 110, Greece Abstract-Mordenite occurs in hydrothermally altered rhyolitic volcanic...lake basin on the island of Samos, Greece. The mordenite was identified by its X-ray powder diffraction...samples predominantly of mordenite. Even after this correction, the mordenite had a low N a:K ratio compared...the literature. The peculiar chemistry ofthe mordenite may have resulted from a high-temperature metasomatic |  | | Report (issue) | | VOLCANIC ROCKS IN DRILL HOLE USW-G1, YUCCA MOUNTAIN, NYE COUNTY, NEVADA By Richard M. Spengler1 , F. M.......................................... 26 26 Yucca Mountai n and Pah Canyon Members................... x [in pocket] Figure 1.--Index map of the Nevada Test Site and vicinity showing location of study...1.--Abridged drill hole history of USW-G1, Yucca Mountain.................................. 2.--Major...VOLCANIC ROCKS IN DRILL HOLE USW-G1, YUCCA MOUNTAIN, NYE COUNTY, NEVADA By Richard W. Spengler, F. M. Byers |  | | Report (issue) | | GEOLOGICAL SURVEY PERSONNEL ON STUDIES AT THE NEVADA TEST SITE AND THE WASTE ISOLATION PILOT PLANT SITE... GEOLOGICAL SURVEY PERSONNEL ON STUDIES AT THE NEVADA TEST SITE AND THE WASTE ISOLATION PILOT PLANT SITE...testing and waste management projects at the NTS (Nevada Test Site) (figs. 1 and 2) and radioactive waste... E700 000 116*00' 116'45 ST'30' ~ NWOOOOO NEVADA NEVADA TEST SITE 0 lOO.OOO-teot grid 5 10 15 ...iont Figure 1.--Index map showing location of Nevada Test Site and outlines of numbered test areas on |  | | Report (issue) | | .............................................. Nevada .................................................in southeastern California, northern and central Nevada, and eastern and southeastern Oregon. The host...locality at the Durkee opal mine near Durkee, Baker County, Oregon. The name was derived from a Greek word...found until Deffeyes (1959) described material from Nevada and Wyoming. Unlike the type erionite, these subsequent...produced a minor tonnage from their Jersey Valley, Nevada deposit (Papke, 1972) for internal use as a catalyst |  | | Report (issue) | | BIBLIOGRAPHY OF PUBLICATIONS RELATED TO THE YUCCA MOUNTAIN SITE CHARACTERIZATION PROJECT PREPARED BY U...Report 91-341 Prepared in cooperation with the Nevada Operations Office U.S. Department of Energy (Interagency...BIBLIOGRAPHY OF PUBLICATIONS RELATED TO THE YUCCA MOUNTAIN SITE CHARACTERIZATION PROJECT PREPARED BY U...1. Index map of Yucca Mountain and vicinity 2. Geologic maps of the Yucca Mountain region 3. Surficial...geologic maps of the Yucca Mountain region 4. Gravity maps of the Yucca Mountain region 5. Aeromagnetic |  | | Journal (article/letter/editorial) | | LOW-TEMPERATURE ALTERATION IN TUFFS FROM YUCCA MOUNTAIN, NEVADA JILLIAN F. BANFlELDt AND WILLIAM W. BARKER...products of feldspars and glass in 3 samples of Yucca Mountain tuffs (GSW G4 borehole at a depth of 1531 ft...Weathering, Yucca Mountain, Zeolites. INTRODUCTION Previous work on the mineralogy of the Yucca Mountain tuffs...The 3-dimensional distribution of minerals in Yucca Mountain rocks, including samples from core close to...containing about 3% smectite, 50% clinoptilolite, 20% mordenite, 6% quartz and 12% cristobalite. Whole-rock chemistry |  | | Journal (article/letter/editorial) | | erionite, chabazite, analcime, phillipsite, mordenite, * E-mail address of corresponding author: rezan...cristobalite and calcite in the Kes° an area; and mordenite, K-feldspar, opal-CT and quartz in the S°ile deposit...smectite Erionite, chabazite, analcime, phillipsite, mordenite+clinoptilolite, smectite, quartz, opal-CT, K-feldspar...opal-CT, K-feldspar, smectite, quartz, calcite Mordenite, K-feldspar, opal-CT, quartz Clinoptilolite, heulandite...Erionite, chabazite, analcime with or without mordenite and clinoptilolite are the mineralogical assemblages |  | Vaniman, David T., Chipera, Steve J., Bish, David L., Carey, J.William, Levy, Schön S. (2001) Quantification of unsaturated-zone alteration and cation exchange in zeolitized tuffs at Yucca Mountain, Nevada, USA. Geochimica et Cosmochimica Acta, 65 (20) 3409-3433 doi:10.1016/s0016-7037(01)00682-2 | Journal (article/letter/editorial) | | Copyright © 2001 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/⫺1899 $20.00 ⫹ .00...cation exchange in zeolitized tuffs at Yucca Mountain, Nevada, USA DAVID T. VANIMAN,* STEVE J. CHIPERA,...Alamos National Laboratory, Los Alamos, NM 87545, USA (Received December 6, 2000; accepted in revised form...horizons in the unsaturated zone (UZ) at Yucca Mountain, Nevada, USA, are an important component in concepts...that accompanied open-system zeolitization at Yucca Mountain. This approach also provides measures of the |  | | Journal (article/letter/editorial) | | garnet from the Topopah Spring Tuff at Yucca Mountain, Nevada, USA R. J. MOSCATI* AND C. A. JOHNSON U...Federal Center, Box 25046, MS 963, Denver, CO 80225, USA [Received 20 January 2014; Accepted 10 April 2014;...Tuff of the Paintbrush Group from Yucca Mountain, in southern Nevada. The Miocene-age Topopah Spring Tuff...were not found in the Topopah Spring Tuff at Yucca Mountain. Based on their occurrence only in lithophysae...and lithophysal floors. K EY WORDS : garnet, Yucca Mountain, vapour phase, oxygen isotope, tridymite, Topopah |  | Carlos, Barbara A., Chipera, Steve J., Bish, David L., Craven, Sandra J. (1993) Fracture-lining manganese oxide minerals in silicic tuff, Yucca Mountain, Nevada, U.S.A. Chemical Geology, 107 (1) 47-69 doi:10.1016/0009-2541(93)90101-n | Journal (article/letter/editorial) | | manganese oxide minerals in silicic tuff, Yucca Mountain, Nevada, U.S.A. Barbara A. Carlos a, Steve J. Chipera...Alamos, NM 87545, USA bDepartment of Geology, Smith College, Northampton, MA 01063, USA (Received June 20...and accepted January 20, 1993 ) ABSTRACT Yucca Mountain, Nevada, is currently under investigation to determine...first U.S. high-level nuclear waste repository Yucca Mountain is composed of a thick sequence of silicic...chemistry and distribution of the Mn-oxides at Yucca Mountain using X-ray diffraction and optical and electron |  | | Journal (article/letter/editorial) | | Copyright © 1996 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/96 $15.00 + .00 Pergamon...in calcite compositions from tufts at Yucca Mountain, Nevada, USA DAVID T. VANIMAN a n d STEVE J. CH1PERA...Alamos National Laboratory, Los Alamos, NM 87545, USA (Received November 6, 1995; accepted in revisedform...and UZ, respectively) in the tuffs at Yucca Mountain, Nevada, USA. In the upper UZ, the major constituents...as shown in Figs. 1 and 2. The calcites at Yucca Mountain have been the focus of several studies. In |  | | Report (issue) | | ROCKS AT THE USW G-2 DRILL HOLE, YUCCA MOUNTAIN, NYE COUNTY, NEVADA by Florian Maldonado and S. L. Koether...Report 83-732 Prepared in cooperation with the Nevada Operations Office U.S. Department of Energy (Interagency...Member.................................. 14 Yucca Mountain Member............................... 14 ...hole USW G-2........... [in pocket] Map showing Nevada Test Site and vicinity and location of study area...Map showing location of caldera relative to Yucca Mountain..., 5. Generalized geologic map, hole.. |  | | Report (issue) | | Little Owyhee River wilderness study area, Owyhee County, Idaho." U. S. Geological Survey Bulletin 1719-C:...wilderness study area, Washoe and Humboldt Counties, Nevada." U. S. Geological Survey Bulletin 1707-B: 14 p...the Tedzami Basin (western part of the Trialeti Mountain Range) [USSR]." Soobshcheniva Akademii Nauk Gruzinskoi..."The crystal structure refinement of a natural mordenite." Zeitschrift fur Kristallographie 175: 249-256...Fischer (1990). "Single crystal experiments on mordenite and erionite." Conf. Proc. - Ital. Phys. Soc. |  | | Journal (article/letter/editorial) | | Research Institute, San Antonio, TX 78238-5166, USA (Received September 2 1, 1993; accepted in revisedform...clinoptilolite-rich tuff from Death Valley Junction, California, USA, and Na+/K+ and Na+/Ca’+ chloride solutions having...zeolite com~sition that have been observed at Yucca Mountain and natural or repositoryinduced changes in... which is located 50 km north-northeast of Yucca Mountain, became enriched in Na and depleted in Ca and...compositional variations in zeolite minerals at Yucca Moun~in have been attributed partly to ion-exchange |
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