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Saturday, April 25, 2020 | History

3 edition of Mafic plutonic rocks of the southern Sierra Nevada, California found in the catalog.

Mafic plutonic rocks of the southern Sierra Nevada, California

Donald Clarence Ross

Mafic plutonic rocks of the southern Sierra Nevada, California

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  • 35 Currently reading

Published by Department of the Interior, U.S. Geological Survey in [Reston, Va.?] .
Written in English

    Subjects:
  • Rocks, Ultrabasic -- California, Southern.

  • Edition Notes

    Statementby Donald C. Ross.
    SeriesOpen-file report -- 87-275., U.S. Geological Survey open-file report -- 87-275.
    ContributionsGeological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17673646M

    the southern Sierra Nevada batholith is structurally more com-plex than the central and northern Sierra Nevada batholith. As a result, the southern Sierra Nevada batholith deviates from the well-preserved, intact primary geochemical and petrologic spa-tial variations of . Mafic Plutonic Rocks of the Southern Sierra Nevada, California (United States Geological Survey Open-File Report ). Ross, Donald C. Published by United States Geological Survey. Table of Contents for Introduction to the geology of southern California and its native plants / Clarence A. Hall, Jr. ; photography by Lauri L. Holbrook, available from the Library of Congress. [1] The Rand and Sierra de Salinas schists of southern California were underplated beneath the southern Sierra Nevada batholith and adjacent Mojave‐Salinia region along a shallow segment of the subducting Farallon plate in Late Cretaceous time. Various mechanisms, including return flow, isostatically driven uplift, upper plate normal faulting, erosion, or some combination thereof, have been Cited by:

      Writing with verve and clarity, Mary Hill tells the story of the magnificent Sierra Nevada--the longest, highest, and most spectacular mountain range in the contiguous United States. Hill takes us from the time before the land which would be California even existed, through the days of roaring volcanoes, violent earthquakes, and chilling ice sheets, to the more recent history of the Sierra's.


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Mafic plutonic rocks of the southern Sierra Nevada, California by Donald Clarence Ross Download PDF EPUB FB2

Get this from a library. Mafic plutonic rocks of the southern Sierra Nevada, California. [Donald C Ross; Geological Survey (U.S.)]. PLATE 1. Reconnaissance geologic map of basement rocks of the southernmost Sierra Nevada, California 2.

Map showing locations of chemically and modally analyzed granitic-rock samples FIGURES Maps showing: Page 1. Location and setting of the study area in the southernmost Sierra Nevada, California 2 by: OCLC Number: Notes: Plate 1: Geologic map and sections of the Mount Pinchot quadrangle, California / Geology by J.G.

Moore, C.A. Hopson, and J.G. Stone, @article{osti_, title = {Strontium isotopic study of plutons and associated rocks of the southern Sierra Nevada and vicinity, California. Bulletin}, author = {Kistler, R.W. and Ross, D.C.}, abstractNote = {Rubidium and strontium concentrations and (87)Sr/(86)Sr values are documented herein for samples of plutons and associated rocks from locations in the southern Sierra Nevada and.

Request PDF | Middle Mesozoic plutonism and deformation in the western Sierra Nevada foothills, California | Southeastward beyond the southern termination of the Sierran Foothills metamorphic belt.

Geologic unit mapped in California: Undivided Mesozoic volcanic and metavolcanic rocks. Andesite and rhyolite flow rocks, greenstone, volcanic breccia and other pyroclastic rocks; in part strongly metamorphosed.

Includes volcanic rocks of Franciscan Complex: basaltic pillow lava, diabase, greenstone, and minor pyroclastic rocks. The northernmost occurrences of extensive, glaciated exposures of the Sierra Nevada batholith occur in the Donner Lake-Cisco Grove area of the northern Sierra Nevada.

The plutonic rocks in this area, which are termed here the Castle Valley plutonic assemblage, crop out over an area of km2 and for the most part are shown as a single undifferentiated mass on previously published geological maps.

The Sierra Nevada microplate primarily consists of Late Cretaceous granitic-tonalitic plutonic rocks in the Sierra Nevada batholith and Cretaceous-Quaternary sedimentary rocks and deposits in the.

Data from southern Sierra Nevada are sparse, for example, owing to the abundance of Cretaceous plutonic rocks. Second, continuous outcrop is needed to quantify the intensity of dike injection.

Many areas sufficiently exposed to map the bedrock geology nonetheless are inadequately exposed for the present purpose. PALEOMAGNETISM OF JURASSIC AND CRETACEOUS PLUTONIC ROCKS IN THE SIERRA NEVADA, CALIFORNIA, AND ITS SIGNIFICANCE FOR POLAR WANDERING AND CONTINENTAL DRIFT [C.S., et al Gromme] on *FREE* shipping on qualifying : Gromme, C.S., et al.

Crystalline rocks of the southernmost Sierra Nevada north of the Garlock fault consist primarily of Early Cretaceous orthogneisses with subordinate paragneiss, and a mid-Cretaceous tonalite batholith complex with coeval gabbroic intrusives.

Quartz-rich metasedimentary rocks and marble constitute the main framework into which the plutonic rocks were emplaced. The study area is underlain predominantly by granitoid rocks of the Sierra Nevada batholith.

Metamorphic rocks are present in roof pendants mainly in the southwest corner of the study area and consist of quartz-biotite schist, phyllite, quartzite, marble, calc-silicate hornfels, and meta-dacite.

New U-Pb zircon ages for the Lamarck Granodiorite, associated synplutonic gabbro and diorite plutons, and two large mafic intrusive complexes that underlie them in the Sierra Nevada batholith are 92±1 Ma.

These ages establish the Late Cretaceous as a period of extensive mafic-felsic magmatism in the central part of the batholith, and confirm the significance of mafic magmatism in the Cited by:   Goldstein EB, Peck WH, Lackey JS () Mafic rocks of Hall Mountain, central Sierra Nevada batholith, California.

Geol Soc Am Abs Prog Google Scholar Grove T, Gerlach D, Sando T () Origin of calc-alkaline series lavas at Medicine Lake Cited by: In early Triassic time, an extensive volcanic arc system, called the Sierran Arc began to develop along the western margin of the North American continent.

In Southern California, this volcanic arc would develop throughout the Mesozoic Era to become the geologic regions known as the Sierra Nevada Batholith, the Peninsular Ranges Batholith, (in the Peninsular Ranges), and other plutonic and.

The Sierra Nevada granitoids. The Sierra Nevada batholith represents a portion of the nearly-continuous chain of Circum-Pacific granitoids (Pitcher, ).Like the Coastal batholith of Peru (Pitcher et al., ), the Sierra Nevada batholith is an example of a batholith emplaced in a continental magmatic arc (references in Bateman, ).The plutonic rocks of the Sierra Nevada batholith Cited by: In a belt through the central and western Mojave Desert of southern California are several muscovite- and garnet-bearing granites that are suggested to be derived by anatexis of the Pelona-Orocopia-Rand schists or similar rocks by Miller et al.

This belt is west of an interior belt of muscovite-bearing granitoids (Miller and Barton. Central Sierra Nevada Batholith, California-Analytic Data By Bernard Barbarin,1 F.C.W. Dodge, R.W. Kistler, and P.C.

Bateman ABSTRACT Analytic data are reported herein for a comprehensively studied suite of samples of mafic inclusions, aggregates or schliere, and dikes and their host granitoids from ocalities in the central Sierra by: We report remanent magnetization measurements from 13 sites in Cretaceous plutonic rocks in the northern Sierra Nevada (38°N–°N).

By increasing the number of available paleomagnetic sites, the new data tighten constraints on the displacement history of the Sierra Nevada block and its pre-extensional position relative to interior North by: 7. In this lab exercise, students use and substantial spreadsheet of major, minor and trace element data compiled from studies of the Dinkey Creek pluton (Sierra Nevada batholith) and its microgranular mafic enclaves.

The use of the Excel Add-in Petroplot is a must for this exercise to save time. cutting Sierra Nevada batholith (SNB). Note location of Figure 5 and day two field stops.

The inset map at upper right shows the generalized Foothills metamorphic belt of the central Sierra Nevada breaking into metamorphic pendants of the southern Sierra as well as the boundary between the mafic western SNB and the felsic eastern SNB.

This boundaryFile Size: 1MB. The exposed area of batholiths spans at least 40 square miles, with some batholiths being so massive that they span across states. For example, California's Sierra Nevada Range is a batholith.

Mafic rocks differ from ultramafic rocks mainly in that they contain plagioclase feldspar in addition to pyroxene and olivine. The most common mafic rocks in the Sierra Nevada are gabbro and diabase. These rocks are the same composition as basalt, but differ in that gabbro is coarse-grained and crystallized at depths of several miles in theFile Size: KB.

Western Klamath Mountains, western Sierra Nevada. Primarily slate and metamorphosed graywacke; minor siltstone, conglomerate, chert, and volcanic rocks. Mainly Late Jurassic in age, but also includes some Early Jurassic or older rocks: Stratigraphic units. The next time you hike across a outcrop of intrusive rocks in one of our national parks, keep your eyes open for interesting features that reflect its formation.

A granitic body often displays areas of mafic rock, and mafic bodies often display felsic areas. Some areas appear to have been liquid. "A book that not only opens up the Eastern Sierra for the tourist but also provides a wealth of information about the history, geology, flora, and fauna of the area." -- Westways "This is a guide as unique as the area it celebrates.

The text of California's Eastern Sierra is a factual and philosophical joy." -- /5(28). Besides the famous felsic granite of the Sierra Nevada, there are prominent mafic rocks as well, particularly in the Tehachapi Mountains at the southern end of the range.

These mountains contain plutonic igneous and metamorphic rocks that are highly mafic due to their iron and magnesium content. The most abundant rock is mafic gneiss. Instead these rocks contain biotite and hornblende as the major mafic minerals.

Mesozoic or younger examples of I-type granites are found along continental margins such as the Sierra Nevada batholith of California and Nevada, and the Idaho batholith of Montana. In these regions the plutonism may have been related to active subduction beneath.

The Sierra Nevada Batholith is a large batholith which forms the core of the Sierra Nevada mountain range in California, exposed at the surface as granite. The batholith is composed of many individual masses of rock called plutons, which formed deep underground during separate episodes of magma intrusion, millions of years before the Sierra itself first began to rise.

Buy a cheap copy of Geology of the Sierra Nevada book by Mary Hill. Writing with verve and clarity, Mary Hill tells the story of the magnificent Sierra Nevada—the longest, highest, and most spectacular mountain range in the Free shipping over $/5(4).

Mafic- 44 to 50% Felsic- 70 to 77% Intermediate- 60% Ultramafic- 43%. What are most common rocks in Sierra Nevada batholith. medium-gray granite and other plutonic rocks. 3 ways magma can travel through earth's crust?-Through existing rocks, forming fissures and dikes.

The granitic igneous rocks that make up the Sierra Nevada Mountains in California and Nevada are _____. False Concordant plutons cut across existing structures while discordant plutons are parallel to. The study areas comprise river drainages underlain by plutonic bedrock, across a range of climate zones in California (): the arid Kern River canyon, eastern Sierra Nevada Mountains, and Mojave Desert (Fig.

2a–c), and the temperate northern Sierra Nevada and Klamath Mountains (Fig. 2d–f).Across the study sites, annual precipitation and precipitation range vary significantly and are the Cited by: 5. The Sierra Nevada is the spectacularly beautiful mountain range directly east of the San Joaquin Valley (Bakersfield area).

It extends from Northern California along the Nevada border south to Tehachapi where the mountain chain take a large bend to the west and change in character and history.

Igneous rocks are those that form via the process of melting and cooling. If they erupt from volcanoes onto the surface as lava, they are called extrusive contrast, Intrusive rocks are formed from magma that cools underground. If the intrusive rock cooled underground but near the surface, it is called subvolcanic or hypabyssal, and often has visible, but tiny mineral : Andrew Alden.

Geology of the Sierra Nevada book. Read 11 reviews from the world's largest community for readers. Writing with verve and clarity, Mary Hill tells the st /5. Publication type: Report: Publication Subtype: USGS Numbered Series: Title: Metamorphic framework rocks of the southern Sierra Nevada, California: Series title.

The upper reaches of the Sierra Nevada auriferous gold channels, California and Nevada 3 Fig. Lindgren’s (, Fig.

3) map of courses of Tertiary auriferous channels in the northern Sierra Nevada, illustrating hi s view that the paleovalleys headed west of the present Sierra crest.

Note the postulated Jura River is east of that crest. Volcanic and plutonic rocks exposed in protoliths of mafic rocks from the White-Inyo Mountains, but the associated felsic rocks lack strong evidence of alkaline or peralkaline pro- work rocks of the southern Sierra Nevada, California,in Dunne, G., and McDougall, K., eds., Mesozoic paleo.

Much of the southern half of the southeastern body is a mafic syenite, slightly more felsic than the shonkinite.Paul C. Bateman, A summary of critical relations in the central part of Sierra Nevada batholith, California, U.S.A., J.

Roddick (editor), Circum-Pacific Plutonic Terranes, Geological Society of America Memoirpage. Geologic Trips, Sierra Nevada by Ted Konigsmark ISBN GeoPress metamorphic rocks in the southern Sierra occur as large roof pendants that lie within the granitic rocks of the Sierra Nevada batholith.

During this geologic trip, you’ll drive down into Kings Canyon and gain File Size: KB.Metamorphosed silicic volcanic and hypabyssal rocks of middle Cretaceous ( to Ma) age occur in two roof pendants in the Kings Canyon area of the central Sierra Nevada.

The metavolcanic remnants are similar in age to or are only slightly older than the voluminous enclosing batholithic rocks. Thus, high to surface levels of the batholith are implied for this by: MS Book and Mineral Company Geology and Mining History of California I - Federal Publications F.

C. W. / TRACE-ELEMENT CONTENTS OF SOME PLUTONIC ROCKS OF THE SIERRA NEVADA BATHOLITH,pb, 13 pages, 1 plate (in pocket), 5 figs., 2 tables, $ 5 SOUTHERN SIERRA NEVADA, CALIFORNIA, $ 10 MF B / GEOLOGIC MAP, SWEETWATER ROADLESS AREA.