Published 1961 in San Francisco .
Written in EnglishRead online
Bibliography: p. 19.
|Series||California. Division of Mines. Special report 69, Special report (California. Division of Mines and Geology) -- 69.|
|The Physical Object|
|Pagination||19 p. :|
|Number of Pages||19|
|LC Control Number||62000283|
Download Clay minerals in the Playa sediments of the Mojave Desert, California
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Montmorillonite, illite, chlorite, and kaolinite in the playas of southern California are traceable directly to the source areas surrounding the basins.
No evidence found in this investigation suggests that these clay minerals are unstable in the sodic or calcic saline lake environment, but this conclusion may not be directly applied to marine evaporite facies where the minerals are. Buy Clay minerals in the Playa sediments of the Mojave Desert, California (California.
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Geology > Landforms & Erosional Processes Playas. A playa is a dry, vegetation-free, flat area at the lowest part of an undrained desert basin. It is a location where ephemeral lakes form during wet periods, and is underlain by stratified clay, silt, and sand, and commonly, soluble salts.
Playa type, size, and setting; playa hydrology; and surface-sediment characteristics are important controls on the type and amount of atmospheric dust emitted from playas.
Soft, evaporite-rich sediment develops on the surfaces of some Mojave Desert (USA) playas (wet playas), where the water table is shallow. round the playa basins and furnish sedi-ments to playas with different chemical environments. By comparing the clay mineral composition of the source rocks and the playa sediments, important data concerning the diagenesis of clay min-erals in the saline environment can be obtained.
Over samples of sediment were taken from 45 playas and from the. Droste, J. B.,Clay minerals in the playa sediments of the Mojave Desert, California, Calif.
Div. Mines, Special Report, 69, 21pp. Google Scholar Flint, R. F., and Gale, W. A.,Stratigraphy and radiocarbon dates at Searles Lake, California, Am. Sci.,– Mojave Playa crusts; physical properties and mineral content Arthur M. Langer; The compact floors generally contain more than 50 percent clay and the puffy floors less than 35 percent clay.
Size analyses, specific gravity and bulk density data, soluble salts, moisture content, are presented for 20 samples from 20 playas. Mojave Desert. Observations that characterize the texture, mineralogic composition and hardness of playa surfaces at Franklin Lake, Soda Lake and West Cronese Lake playas in the Mojave Desert (California), along with imaging of dust emission using automated digital photography, indicate that these kinds of surface sediment are highly susceptible to dust emission.
The interactions between playa hydrology and playa‐surface sediments are important factors that control the type and amount of dust emitted from playas as a result of wind erosion. The production of evaporite.
Close mobile search navigation. Article navigation. Vol Number 4. Observations that characterize the texture, mineralogic composition and hardness of playa – surfaces at Franklin Lake, Soda Lake and West Cronese Lake playas in the Mojave Desert (California), along with imaging of dust emission using automated digital photography, indicate that these kinds of surface sediment are highly susceptible to dust.
Author of Clay minerals in the Playa sediments of the Mojave Desert, California, Clay minerals in the Playa sediments of the Mojave Desert, California, Course guide for geology G, The Limberlost Dolomite of Indiana, Lithostratigraphy of the Sauk Sequence in Indiana, Subsurface stratigraphy and distribution of oil fields of the Buffalo Wallow Group.
Clay minerals in the Playa sediments of the Mojave Desert, California. by Droste, John Brown, texts. eye favorite 0 comment 0. Bibliography: p. 19 Topics: Clay, Illite, Montmorillonite. California Mines Geological Collection. showing by counties the mineral productions of California for the year Some playas also contain exotic minerals.
The Death Valley playa is famous for borate minerals, including borax (Na 2 B 4 O 7 10H 2 O) and Meyerhofferite (Ca 2 B 6 O 11 7H 2 O). Surface relief and structures. Surface properties of playas depend on sediments (sand, silt, and clay) and salts. See what's new with book lending at the Internet Archive Clay minerals in the Playa sediments of the Mojave Desert, California.
by Droste, John Brown, "County index to minerals of California," by Donald O. Emerson. Davis, Calif.  Topics: Mines and mineral resources.
California mineral production for with mining law appendix and county maps Clay minerals in the Playa sediments of the Mojave Desert, California. by Droste, John Brown, texts.
eye Conference titles vary: 2d, National Conference on Clays and Clay Minerals Topic: Clay. California Mines Geological Collection. Sediment provided by the discharge of the Mojave River into the Soda Lake basin is the source of much of the clay, silt, and sand in the playa sediments. The sand from the Mojave River is the primary source of eolian sand for Kelso Dunes and Devils Playground.
Small mudcracks in the shallow surface deposits display mudcracks associate with the drying-out of clay-rich sediments that are load with expanding-clays minerals that tend to shrink when they dry out, and expand when they get wet (Figure ).
Giant fissures are also forming on the playa due to the drying out of the sediments at depth. The figure below is a desert pavement from the Mojave Desert, in southeastern California.
This accumulation of coarse sediment was left behind when wind erosion blew away fine-grained sediment. This type of deposit, typical of desert environments, is called. Minerals, Clay; Filed under: Clay minerals. Clay mineralogy and petrology of the coal-bearing group near Healy, Alaska / (College: State of Alaska, Dept.
of Natural Resources, Division of Geological & Geophysical Surveys, ), by Don M. Triplehorn (page images at. The study area is in the Mojave Desert, Nevada and California (Figure 2).
The Mojave Desert, most of which lies at m elevation, receives nearly all of its precipitation ( mm annually) during winter frontal storms from the Pacific Ocean (Hastings and Turner, ).
General aspects of climate, soils and plants are described by. Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.
GEOLOGIC INVESTIGATIONS IN THE MOJAVE DESERT AND ADJACENT REGION, CALIFORNIA CORE LOGS FROM SODA LAKE, SAN BERNARDINO COUNTY, CALIFORNIA By SIEGFEIED MUESSIG, GEOEGE N. WHITE, and FRANK M. BYEBS, Jr. ABSTRACT In five core holes were drilled for the U.
Geological Survey in the. Mesquite Lake playa occupies a basin (elevation m) in the northern Mojave Desert along the border between Nevada and California, about 55 km southwest of Las Vegas, Nevada.
The playa, occupying an area of about 14 km 2, is located in structurally extended terrain of the southern Great Basin. The interactions between playa hydrology and playa-surface sediments are important factors that control the type and amount of dust emitted from playas as a result of wind erosion.
The production of evaporite minerals during evaporative loss of near-surface ground water results in both the creation and maintenance of several centimeters or more of loose sediment on and.
The red iron mineral in red beds is. Hematite. When clastic particles are rapidly deposited this usually results in.
-sand, silt, clay-sea levels rise from melted glaciers-due to tectonic subsidence. Continental Environments-fluvial -fine sediments-playa lakes.
Glacial-sediment is eroded-glacial deposits called till. Deposition of Clay. Bristol Lake is located three miles east of Amboy at an elevation of about feet.
The mineral halite, (sodium chloride - NaCl), occurs as a crystal body underlying the lake. The surface of the playa lake is composed of sand, clay, and gypsum. Bristol Lake is in the California Mojave desert, near Amboy. Sediment cores taken at Soda Lake, California reveal dramatic hydrologic changes that occurred in the Mojave Desert during the late Quaternary.
Pluvial Lake Mojave occupied the basin between and ka before yielding to playa conditions by ka. These unconformably overlie silty clay and clay, laminated in some core segments, that represent deposition in a deeper perennial lake.
Preliminary AMS ages show that this lake existed from >30, to ~17, 14 C years b.p. Smectite and illite are the dominant clay minerals, with the relative proportions varying both within and between cores.
The balance between deposition and subsidence (tectonics) in a rift basin playa and its effect on the climatic record of an area: Evidence from Bristol Dry Lake, California.
Aeolian dust and mineral aerosols also influence the CZ in deserts. Figure represents an idealized model of the potential aeolian inputs to mountain-piedmont-basin areas in the Mojave Desert, California (Hirmas et al., ).The aeolian component plays an important role in the development of soils on stone (desert) pavements, pediments, and on alluvial fans and .Lake Thompson, Mojave Desert, California v PREFACE This report was prepared by Dr.
Antony R. Orme, Professor of Geography, University of California, Los Angeles. The clay-mineral analysis was done by Richard Yuretich, Professor of Geology, University of Massachusetts.
Funding for this project was provided to the Environmental Laboratory and.Desert Pavement In many desert regions, the ground surface is covered by gravel-sized rock fragments.
A desert pavement is a gravel layer that forms on the surface of many desert landscapes where the wind has removed finer materials (sand, silt, dust).
Desert pavements are common on old pediment surfaces and are well developed on old alluvial fan surfaces that .