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| A STUDY OF MISSOURI GLAUCONITE* Vrcron T. Ar.r.oN, St. Louis Unitersity, St. Louis, Mo. INrnoouctrow...conclusions of E. W. Galliherl that glauconite is forming from biotite in Monterey Bay, and of John W. Gruner2 that...led me to test the possibility that Missouri glauconite has formed from biotite. Several vears ago I...observed3that anauxite from the Ione formation of California which had formed from biotite contained rutile...clay to diaspore clay. The titanium content of glauconite, especiallythat present as rutile, seemeda logical |
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| 1SS1-1366, PLS. 109-110, t FIG. SEPTEMBER 30. 1938 GLAUCONITE GENESIS* BY E. W AYNE GALLIHER (Accepted by................................... Biotite and glauconite distribution.............................................. Physical changes from biotite to glauconite............................................................................ Geochemistry of glauconite...................................................................... Geological factors of glauconite formation................................... |
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| and tectonics of the La Honda basin, central California by Richard G. Stanley1 Open-File Report 85-596...and stratigraphic nomenclature. ' Menlo Park, California 1985 11 TABLE OF CONTENTS Page TABLE OF... IV Lompico Sandstone ...................151 Monterey Formation. .................. 153 MIDDLE TO UPPER...Generalized paleogeographic map of early Tertiary California. 7 3. Schematic model of plate interactions...interactions and the San Andreas fault in central California. 9 Location map of important physical and cultural |
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| Standard Oil Company of California, Western Operations, Inc., La Habra, California ARTHUR D. HOWARD Professor...Stanford, California Polygenetic Origin of Monterey Submarine Canyon Abstract: Monterey Submarine Canyon... heads immediately offshore in Monterey Bay on the central California coast. Starke (1956) reported the...deformational history of this part of the central California coast. CONTENTS Introduction Acknowledgments...of modern Monterey Canyon, the largest and deepest submarine canyon off Figure 1. Monterey Canyon and |
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| 696-715 Sea-FloorPhosphoritesalong the Central California Continental Margin HENRY T. MULLINS Department...Laboratories,SanJoseState University,SanJose,California 95192 Abstract Early to middle Miocene phosphoritesare...phosphoriteswere found on Cordell Bank or in Monterey Bay, nor alongthe walls of adjacentsubmarinecanyons...carbonatefiuorapatite(francolite). Associatedmineralsinclude glauconite,dolomite,detrital silicates,and minor pyrite...to lighter coloredsamples. The Miocene central California margin phosphoritesoriginated primarily by direct |
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| CCfiR rtJllle Central Santa Cruz Mountains~ (California Coast Ranges CG lE ~ »JL «) ~G ll (~ A I....Geology of the Central Santa Cruz Mountains, California Coast Ranges By JOSEPH C. CLARK GEOLOGICAL ...geology of the central Santa Cruz Mountains, California Coast Ranges. (Geological Survey professional...Geology, Stratigraphic--Tertiary. 2. Geology-California--Santa Cruz Mountains. I. Title. II. Series............................................... . Monterey Formation ................................... |
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| analyses fit the structural formula derived for glauconite by Gruner. During an investigation of the distribution...collected with a view to a mineralogical study of glauconite. Of the specimenscollected, seven have been used...than 100-meshwas rejected as too impure. The glauconite in the sand of this grade was then further concentrated...solution was not used in preparing any samples of glauconite for analysis, for Gruner (1935, p. 704) has found...experimentally that in the case of a sample of glauconite boiled in thallium nitrate solution for four |
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| Short Notes DEEP-SEA CHANNELS AND DELTA OF THE MONTEREY SUBMARINE CANYON BY ROBERT F. DILL, ROBERT S....show that the continental terrace off Monterey Bay, California, is incised by one of the world's largest...largest submarine canyons, known as the Monterey Submarine Canyon. However, because of the sparseness of...remained practically unknown until recently. That the Monterey Canyon might have a channel extending out over...seaward of the Monterey proper. More recently, in connection with SOFAR operations in the Monterey area, two |
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| MINERALOGY A N D CHEMISTRY OF CAMBRIAN GLAUCONITE PELLETS A N D GLAUCONITE, CENTRAL U.S.A. I. EDGAR ODOM Department...1976; and in final form 28 May 1976) Abstraet~Glauconite pellets in the Cambrian of the central U.S.A...A. frequently contain two textural forms of glauconite--aggregate and oriented--which differ in both mineralogy...mineralogy and chemistry. The aggregate glauconite composes the bulk of most pellets and consists of...in a nearly random arrangement. The oriented glauconite occurs primarily as rims on the periphery of |
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| 52 SH EPAR D, PL. 1 SEA-FLOOR OFF SOUTHERN CALIFORNIA 9__________ ip 20 30 40 SO STATU TE MILES...NOTATIONS • X GRAVEL ROCK SEA FLOOR OFF SOUTHERN CALIFORNIA Showing the topographic environments in which...NONDEPOSITIONAL PHYSIOGRAPHIC ENVIRONMENTS OFF THE CALIFORNIA COAST BY FR A NC IS P . SHEPAED CONTENTS Page...ILLUSTRATIONS Plate Facing page 1. Sea floor off southern California................................................ SHEPARD----NONDEPOSITIONAL ENVIRONMENTS OFF CALIFORNIA Depth seems to have little bearing on these |
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| Quadrangle, Santa Clara and Santa Cruz Counties, California by J.C. Clark 1 , E.E. Brabb2 , and R.J. McLaughlin2...QUADRANGLE, SANTA CLARA AND SANTA CRUZ COUNTIES, CALIFORNIA by J. C. Clark, E. E. Brabb, and R. J. McLaughlin...age (Phillips, 1983, 1984a, b; Clark, 1981). MONTEREY FORMATION (MIDDLE MIOCENE) Thin- to medium-bedded...Itstone and subsiliceous organic mudstone. The Monterey is as much as 380 feet thick along Carbonera...sandstone up to 5 m thick. Disseminated grains of glauconite (1 to 3 percent) are common in coarse sandstone |
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| ROBINSON CANYON-LAURELES GRADE AREA MONTEREY COUNTY, CALIFORNIA By Gary A. Younse Open-file Report 80-318...S. Geological Survey employees in Menlo Park, California, gave invaluable services. Kristin A. Mcdougall...Depositional Environment................ 22 Monterey Formation................................ 24...the Robinson CanyonLaureles Grade area in Monterey County represents at least two periods of deposition...the middle Miocene to late Miocene Monterey Formation. The Monterey Formation represents a relatively |
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| Lawrence Livermore National Laboratory, Livermore, California 94550, U S.A. '?Chemical and Analytical SciencesDivision...Earth Sciences,University of California at SantaCruz, SantaCruz, California 95062, U.S.A. Ansrucr The...of sedimentsat active cold seepsin Monterey Bay, coastal California, contain framboidal pyrite that occurs...for pyrites obtained for sedimentsof Monterey Bay, coastal California, U.S.A. The ion microprobe was used... 121'40' 20 km Frcunn 1. Map of Monterey Bay, coastal California, showing location of samples analyzedin |
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| Montana. PART I. THE CATION EXCHANGE CAPACITY OF GLAUCONITE Aesrnecr The cation exchange capacity and potassium...cent expandable (montmorillonite) layers in the glauconite mixed layer mica/montmorillonite structure The...composition and the amount of mixed-layering in glauconite are related. The main variations in compositionof... CATIONEXCI]ANGECAPACITYOF GLAUCONITES 587 gm) of glauconite. This paper deais with the correlation between...exchange capacity and the amount of interlayering in glauconite. ExppnruBNter- MBrnons The kinds of data obtained |
 | Scholz, Florian, Severmann, Silke, McManus, James, Noffke, Anna, Lomnitz, Ulrike, Hensen, Christian (2014) On the isotope composition of reactive iron in marine sediments: Redox shuttle versus early diagenesis. Chemical Geology, 389. 48-59 doi:10.1016/j.chemgeo.2014.09.009 | Journal (article/letter/editorial) |
| 97331-5503, USA Institute of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, USA Department...Geosciences, University of Akron, Akron, OH 44325–4101, USA d GEOMAR Helmholtz Centre for Ocean Research Kiel...previously published data for sediments from the California margin to unravel the impact of early diagenesis...compositions of individual Fe pools. Sediments from oxic California margin sites are dominated by terrigenous Fe...has a heavier isotope composition compared to California margin sediments. This observation is in agreement |
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| 23 FIGS. 1 PL. JULY 1951 STREAM GRADIENTS AND MONTEREY SEA VALLEY By A. O. WOODFOED ABSTRACT The long...rock as a distinct nickpoint. The Monterey sea valley off California appears on a map to be the approximate...a logarithmic curve, and the compound Salinas-Monterey long profile shows an extremely pronounced break...Therefore it is considered improbable that the Monterey submarine canyon is the product of subaerial rejuvenation...gradients appear to be essentially similar to the Monterey; the Congo canyon is ambiguous and may be exceptional |
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| AREAS IN THE CALIFORNIA COAST RANGES FOR FIELD CONFERENCE ON THE MARINE NEOCENE OF CALIFORNIA INTERNATIONAL...Survey standards and nomenclature Menlo Park, California 1978 ~T~ 119e 120' I 118 C r~ 117 ( EXPLANATION...BAYV=*T( SAN JOA^UIN HILLS Xi> ' ^ INDEX MAP OF CALIFORNIA SHOWING AREAS DISCUSSED IN TEXT AND ROUTE CONNECTING...Formation exposed in seacliffs at Santa Cruz, California; frontispiece - Astrodapsis whitneyi Remond,...NEOGENE BIOSTRATIGRAPHY OF SELECTED AREAS IN THE CALIFORNIA COAST RANGES Editor Warren 0. Addicott FIELD |
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| onshore part of the Palo Alto 1:100,000 Quadrangle, California Compiled by Earl E. Brabb Open File Report 93-271...information along the northern border of Santa Cruz County since the map by Brabb (1989) was submitted for...compile and integrate the geology of Santa Clara County within the map boundary. Film positives of the...published. Publication of the San Mateo and Santa Cruz County maps in color provided an opportunity to identify...deposits, had different letter identifiers on the two county maps, that had to be changed to be consistent. |
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| Geology Of Palo Alto 30 X 60 Minute Quadrangle, California: A Digital Database By E.E. Brabb, R.W. Graymer...geologic map of San Mateo County (Brabb and Pampeyan, 1983) and Santa Cruz County (Brabb, 1989, Brabb and...various sources in a small part of Santa Clara County. These new data are released in digital form to...depiction of Quaternary units in the San Francisco Bay plain emphasizing depositional environment, important...geologic map units has been done in the San Francisco Bay region by Ellen and Wentworth (1995) for hillside |
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| transformationof biotite to glauconitein Monterey Bay, California, this method of formation has beengiven...the areasequences Frc. 1. Vermicular pellet of glauconite, usual form. Commonly these marine beds, many...might be the result of the passageof clay sized glauconite or other clay material through the digestive...eliminate this origin, and indicate that the glauconite was formed by the alteration of some other single...glauconites, 9.08 A being usual for a well ordered glauconite. (ii) Figure 4b is characteristic of two thin |
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| No. 12 CHEMICAL COMPOSITION AND GENESIS OF GLAUCONITE AND CELADONITE* SmnrrNc B. Hexlnrcrs, U. S. BureauoJPlant...minerals clarifies the chemical relations of glauconite and celadonite, and gives significant information...their genesis. The representative formula of glauconite is: (K, Ca1, Na). ar(Al.rzFe"'.e7Fe".1eMg ro)(Sisodl...condition for the formation of both minerals. Glauconite, which forms only in a marine environment, maintained...information on other minerals related to the micas. Glauconite being a mica is a mineral of this type, and its |
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| composed of highly expandable, montmorillonite-type glauconite, are particularly common around the 100 fathom...fathom isobath. Both chamosite and glauconite have a high magnesium content, which seems to be usual during...of formation. The formation of chamosite and glauconite is governed by redox potential and the availability...a particular depth than are the chamosite and glauconite pellets, but distinct maxima occur around the...authigenic forms of chamosite and an immature form of glauconite occurring mainly in faecal pellets and only incidentally |
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| Paleoclimatic Trends in the San Joaquin Basin, California GEOLOGICAL SURVEY PROFESSIONAL PAPER 644-D...Paleoclimatic Trends in the San Joaquin Basin, California By WARREN O. ADDICOTT SHORTER CONTRIBUTIONS...___.______________ _____._________-_ 13 Other California basins ______ -__-_ ______ . 14 Oregon and Washington...map showing physiographic features of central California D2 Maps showing Oligocene and Miocene paleogeography...PALEOCLIMATIC TRENDS IN THE SAN JOAQUIN BASIN, CALIFORNIA By WARREN 0. ADDICOTT ABSTRACT Early and middle |
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| The crystallinity and mineralogy of both the glauconite and the clay fraction of samples from six contemporary...investigated by X-ray diffraction. In those areas where glauconite is now forming, the mineralogy and the degree...degree of crystallinity of both the glauconite pellets and the associated clay fraction are similar. In contrast...of the pellets. Further, only two classes of glauconite as defined by BURST(1958) were common: expandable...the clay fraction-glauconite similarities and other supporting evidence, glauconite on the Scotia Ridge |
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| .................................. 574 Lower California-Colorado Desert area. By J.W yatt Durham.......East side of San Joaquin Valley, Bakersfield, California. By Glenn C. Ferguson.................. 581 Reef.................................... 586 San Pablo Bay area. By C. E. Weaver................................ 587 Composite section north of San Francisco Bay. By C. E. Weaver......................................................................... 589 Coos Bay area. By C. E. Weaver........................... |
