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Author : Marjorie A. Chan
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (547 download)
Download or read book Subsurface Structure of the Southern Portion of the Salton Sea Geothermal Field written by Marjorie A. Chan and published by . This book was released on 1977 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Subsurface Structure of the Southern Portion of the Salton Sea Geothermal Field written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Subsurface correlation of sedimentary strata was attempted among ten geothermal wells in the southern portion of the Salton Sea Geothermal Field. The spontaneous potential (SP) log was the principal tool used for correlation purposes. The structure that emerges from the correlation diagrams is a shallow plunging syncline with an east-west axis perpendicular to the axis of the Salton Trough.
Author : W. A. Elders
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.3/5 (121 download)
Download or read book The Salton Sea Geothermal Field, California, as a Near-field Natural Analog of a Radioactive Waste Repository in Salt written by W. A. Elders and published by . This book was released on 1983 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since high concentrations of radionuclides and high temperatures are not normally encountered in salt domes or beds, finding an exact geologic analog of expected near-field conditions in a mined nuclear waste repository in salt will be difficult. The Salton Sea Geothermal Field, however, provides an opportunity to investigate the migration and retardation of naturally occurring U, Th, Ra, Cs, Sr and other elements in hot brines which have been moving through clay-rich sedimentary rocks for up to 100,000 years. The more than thirty deep wells drilled in this field to produce steam for electrical generation penetrate sedimentary rocks containing concentrated brines where temperatures reach 365/sup 0/C at only 2 km depth. The brines are primarily Na, K, Ca chlorides with up to 25% of total dissolved solids; they also contain high concentrations of metals such as Fe, Mn, Li, Zn, and Pb. This report describes the geology, geophysics and geochemistry of this system as a prelude to a study of the mobility of naturally occurring radionuclides and radionuclide analogs within it. The aim of this study is to provide data to assist in validating quantitative models of repository behavior and to use in designing and evaluating waste packages and engineered barriers. 128 references, 33 figures, 13 tables.
Author : National Association of Geology Teachers. Far Western Section. Spring Field Conference
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.F/5 ( download)
Download or read book Geology and Geothermal Energy of the Salton Trough written by National Association of Geology Teachers. Far Western Section. Spring Field Conference and published by . This book was released on 1985 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 668 pages
Book Rating : 4.3/5 (91 download)
Download or read book Geothermal Energy Update written by and published by . This book was released on 1976 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. A. Elders
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.F/5 ( download)
Download or read book Geology and Geothermics of the Salton Trough written by W. A. Elders and published by . This book was released on 1979 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1008 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1978 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Download or read book Geological, Geophysical, And Thermal Characteristics Of The Salton Sea Geothermal Field, California written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Salton Sea Geothermal Field is the largest water-dominated geothermal field in the Salton Trough in Southern California. Within the trough, local zones of extension among active right-stepping right-lateral strike-slip faults allow mantle-derived magmas to intrude the sedimentary sequence. The intrusions serves as heat sources to drive hydrothermal systems. We can characterize the field in detail because we have an extensive geological and geophysical data base. The sediments are relatively undeformed and can be divided into three categories as a function of depth: (1) low-permeability cap rock, (2) upper reservoir rocks consisting of sandstones, siltstones, and shales that were subject to minor alterations, and (3) lower reservoir rocks that were extensively altered. Because of the alteration, intergranular porosity and permeability are reduced with depth. permeability is enhanced by renewable fractures, i.e., fractures that can be reactivated by faulting or natural hydraulic fracturing subsequent to being sealed by mineral deposition. In the central portion of the field, temperature gradients are high near the surface and lower below 700 m. Surface gradients in this elliptically shaped region are fairly constant and define a thermal cap, which does not necessarily correspond to the lithologic cap. At the margin of the field, a narrow transition region, with a low near-surface gradient and an increasing gradient at greater depths, separates the high temperature resource from areas of normal regional gradient. Geophysical and geochemical evidence suggest that vertical convective motion in the reservoir beneath the thermal cap is confined to small units, and small-scale convection is superimposed on large-scale lateral flow of pore fluid. Interpretation of magnetic, resistivity, and gravity anomalies help to establish the relationship between the inferred heat source, the hydrothermal system, and the observed alteration patterns. A simple hydrothermal model is supported by interpreting the combined geological, geophysical, and thermal data. In the model, heat is transferred from an area of intrusion by lateral spreading of hot water in a reservoir beneath an impermeable cap rock.
Author : California Department of Wate Resources
Publisher : Forgotten Books
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.3/5 (91 download)
Download or read book Geothermal Wastes and the Water Resources of the Salton Sea Area (Classic Reprint) written by California Department of Wate Resources and published by Forgotten Books. This book was released on 1972 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Geothermal Wastes and the Water Resources of the Salton Sea Area The Department of Water Resources has undertaken this investigation as part of its continuing evaluation of surface and ground water quality problems as authorized in Section 229, Chapter 2, Division 1, of the California Water Code. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Lawrence Livermore Laboratory. Earth Sciences Division
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.3/5 (243 download)
Download or read book Earth Sciences Division, Collected Abstracts written by Lawrence Livermore Laboratory. Earth Sciences Division and published by . This book was released on 1977 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 888 pages
Book Rating : 4.:/5 (3 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1985 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Southern Pacific Land Company
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (32 download)
Download or read book Geology of the Salton Sea Geothermal Field written by Southern Pacific Land Company and published by . This book was released on 1970 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John D. Tewhey
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (844 download)
Download or read book Geologic Characteristics of a Portion of the Salton Sea Geothermal Field written by John D. Tewhey and published by . This book was released on 1977 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. Younker
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (121 download)
Download or read book A Revised Estimate of Recoverable Thermal Energy in the Salton Sea Geothermal Resource Area written by L. Younker and published by . This book was released on 1978 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Catherine A. Rigsby
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Imperial Basin--tectonics, Sedimentation, and Thermal Aspects written by Catherine A. Rigsby and published by . This book was released on 1984 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1980-07 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geologic Characteristics of a Portion of the Salton Sea Geothermal Field written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The examination of drill cuttings and core samples from the Magmamax Nos. 2 and 3 and Woolsey No. 1 wells indicate that the sequence of sedimentary rocks in the Salton Sea geothermal field from the surface to below 4000 ft can be divided into three categories: cap rock, unaltered reservoir rocks, and hydrothermally altered reservoir rocks. The cap rock extends from the surface to a depth of approximately 1100 ft in all three wells. There is evidence to suggest that the cap rock has undergone self-sealing through time as a result of the circulation of hot brine through the rocks. Essentially unaltered reservoir rocks extend from a depth of 1100 ft to approximately 3000 ft. The mineralogical and textural changes that occur at depth can be attributed to the process of hydrothermal alteration. Alteration has occurred in a chemically open system and the important variables in the alteration scheme have been temperature, permeability, brine composition, and rock composition. The transition from unaltered to altered reservoir rocks is marked by the replacement of calcite by epidote. The first appearance of epidote correlates reasonably well with the top of the alteration zone as determined in other studies by electric log analysis. Biotite and chlorite, potential indicators of alteration zones, are considered to be of detrital origin rather than hydrothermal origin. The primary effect of hydrothermal alteration on the reservoir rocks in the Salton Sea geothermal field has been the reduction of porosity and permeability with depth. Petrographic analysis indicates that porosity and permeability in the field is enhanced by the presence of fractures in shales. The geologic picture that emerges from spontaneous potential (SP) log correlation is that of a structural basin whose axis lies to the northwest of Magmamax No. 2. The data suggest that unaltered reservoir rocks on the periphery of the field offer good production possibilities.
