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The AAPG/Datapages Combined Publications Database
Showing 8,111 Results. Searched 200,691 documents.
An Indicator of Water-Column Anoxia: Resolution of Biofacies Variations in the Kimmeridge Clay (Upper Jurassic, U.K.)
R. Raiswell, R. Newton, P.B. Wignall
Journal of Sedimentary Research (SEPM)
... Whitestone Band samples contain > 40% organic C), in as much as the Kimmeridge Clay contains no siliceous microfossils (De Wever and Baudin 1996...
2001
Stratigraphy and Structure of Northeast Providence Channel, Bahamas
Henry T. Mullins , George W. Lynts
AAPG Bulletin
...) an early to middle Eocene siliceous, cherty, soft, deep-water chalk layer; (3) a hard, well-indurated deep-water chalk layer at least as old as Late...
1976
Biogenicity of Silica Precipitation Around Geysers and Hot-Spring Vents, North Island, New Zealand
Brian Jones , Robin W. Renaut , Michael R. Rosen
Journal of Sedimentary Research (SEPM)
... waters at temperatures of 93-98°C. The siliceous sinter that precipitated around their vents has the characteristics of "geyserite", a dense laminated...
1997
Copepod mandible palynomorphs from the Nolichucky Shale (Cambrian, Tennessee): Implications for the taphonomy and recovery of small carbonaceous fossils
Thomas H.P. Harvey, Brian E. Pedder
PALAIOS
... Positive IsotopeCarbon Excursion (SPICE) identified in the same section by Glumac and Walker (1998). The microfossils come from an interval...
2013
Geology and Neogene History of the Pacific Continental Margin of Baja California Sur, Mexico
William R. Normark, Jon E. Spencer, James C. Ingle Jr.
Circum Pacific Council Publications
... for foraminifera and other microfossils (Table 3) for the purpose of establishing the age of the units, correlating dredge samples with onshore marine sequences...
1987
In Search of Biostratigraphic Resolution
T. C. Moore Jr., Karen Romine
Special Publications of SEPM
... stratigraphic resolution are easy to appreciate Dia genetic alteration of the biogenic debris obliterates I 12 many of the useful microfossils...
1981
7 FIB-SEM and TEM Investigations of an Organic-rich Shale Maturation Series from the Lower Toarcian Posidonia Shale, Germany: Nanoscale Pore System and Fluid-rock Interactions
Sylvain Bernard, Leon Brown, Richard Wirth, Anja Schreiber, Hans-Martin Schulz, Brian Horsfield, Andrew C. Aplin, Eliza J. Mathia
AAPG Special Volumes
.... Loucks, R. G., R. M. Reed, S. C. Ruppel, and D. M. Jarvie, 2009, Morphology, genesis, and distribution of nanometer-scale pores in siliceous mudstones...
2013
Integrated Rock Characterization of a Shale Gas Field in the Horn River Basin, Canada
Tadesse Weldu Teklu, Daejin Park, Hoiseok Jung, Jennifer L. Miskimins
Unconventional Resources Technology Conference (URTEC)
... = 12 FELDSPAR Siliceous Mudstone; Silty, Siliceous Mudstone TOC (wt%) QUARTZ Muskwa Dominant Microfossils Pressure-Decay Permeability (nD...
2018
Speckled Beds: Distinctive Gravity-Flow Deposits in Finely Laminated Diatomaceous Sediments, Miocene Monterey Formation, California
Alice S. Chang, Kurt A. Grimm
Journal of Sedimentary Research (SEPM)
..., R.G., PISCIOTTO, K.A., ISAACS, C.M., AND INGLE, J.C., EDS., 1981, The Monterey Formation and Related Siliceous Rocks of California: Society of Economic...
1999
Depositional environment and hydrothermal controls on organic matter enrichment in the lower Cambrian Niutitang shale, southern China
Jingqiang Tan, Zhanghu Wang, Wenhui Wang, Jason Hilton, Jianhua Guo, and Xikai Wang
AAPG Bulletin
... of siliceous- and organic-rich shale (e.g., Liuchapo Formation and the lower part of the Niutitang Formation) (Figures 1, 2). The lower Cambrian...
2021
Lithologic Analysis of Sedimentary Rocks
Robert P. McNeal
AAPG Bulletin
... Ordovician and Cambrian age. Arenaceous and siliceous microfossils are preserved because they are too small to be broken by the bit and can be used...
1959
Stratigraphy and Origin of Maravillas Formation (Upper Ordovician), West Texas
Earle F. McBride
AAPG Bulletin
... and beds prove that most chert is of replacement origin, but a few beds are altered siliceous ooze. Lumpy and chalcedony-veined black chert beds...
1970
Organic geochemical characteristics, mineralogy, petrophysical properties, and shale gas prospects of the Wufeng–Longmaxi shales in Sanquan Town of the Nanchuan District, Chongqing
Yijun Zheng, Yuhong Liao, Yunpeng Wang, Yongqiang Xiong, and Ping’an Peng
AAPG Bulletin
..., Morphology, genesis, and distribution of nanometer-scale pores in siliceous mudstones of the Mississippian Barnett Shale: Journal of Sedimentary...
2018
Deep-Water Limestones and Radiolarites of the Alpine Jurassic
Robert E. Garrison, Alfred G. Fischer
Special Publications of SEPM
... and 11 2 FIG 1O 3 Ruhpolding Radiolarite Nannofossils in matrix of this limestone arc shown in elec siliceous limestone with poorly preserved...
1969
Regional Geology and Petroleum Potential of the Northern Gulf of Alaska Continental Margin
George Plafker
Circum Pacific Council Publications
... n d u r a t e d , b l o c k y , l a m i n a t e d in p a r t , t a n t o light-gray a n d yellowish-gray, a b u n d a n t siliceous microfossils...
1987
POST-EXTINCTION BIOFACIES OF THE FIRST CARBONATE RAMP OF THE EARLY JURASSIC (SINEMURIAN) IN NE PANTHALASSA (NEW YORK CANYON, NEVADA, USA)
KATHLEEN A. RITTERBUSH, YADIRA IBARRA, LYDIA S. TACKETT, YADIRA IBARRA, LYDIA S. TACKETT
PALAIOS
... and diversity coincides with increased terrigenous silt within the Muller Canyon Member (Taylor et al. 1983; Laws 1982; Corsetti et al. 2015). Siliceous...
2016
Stratigraphy of the Monterey Rocks in the East San Francisco Bay Area, California
James M. Hill
Pacific Section SEPM
... of rocks which make up the "Monterey Formation" throughout California is composed primarily of siliceous shale, diatomaceous shale, chert, and porcellanite...
1983
The Caballos Novaculite Revisited: Part II: Chert and Shale Members and Synthesis
Earle F. Mcbride, Robert L. Folk
Journal of Sedimentary Research (SEPM)
... Radiolaria. Fractures and crackle breccias developed in gray chert following lithification; green siliceous sediment, whose lithification was impeded...
1977
Organic-Matter Pores: New Findings from Lower-Thermal-Maturity Mudrocks
Robert M. Reed
GCAGS Journal
... environment were sampled from the Paleogene Wilcox Group of East Texas. The mudrocks have an Ro of <0.5%, a siliceous–argillaceous composition, and >11% total...
2017
Late Cretaceous Sedimentation in the Santa Monica Mountains, California
Sean Mc.D. Carey, Ivan P. Colburn
Pacific Section SEPM
...-Eocene Martinez Formation. Microfossils from one locality just above the contact indicate the Ynezian Stage of Mallory (1959), about 59 m.y. (Almgren...
1978
Diatoms, Silicoflagellates and Palynomorphs from Holocene Sediments of Basins in the Southern California Continental Borderland
Robert G. Arends, Sarah Pierce Damassa
Pacific Section SEPM
... California Continental Borderland (Bandy, 1964, Crouch, 1952, Blake, 1976). The authors have studied the siliceous microfossils and the palynomorphs from...
1980
Mid-Tertiary Stratigraphy, Santa Rosa Island
F. A. Avila, D. W. Weaver
Pacific Section of AAPG
... of the Rincon Formation; and the siliceous shale. sandstone and conglomerate of the Monterey Formation. The San Miguel Volcanics and the Beechers Bay...
1969
Inferred Diagenetic History of a Weakly Silicified Deep Sea Chalk
Sherwood W. Wise, Jr. , Kerry R. Kelts
GCAGS Transactions
... was followed by the deposition of silica derived from the dissolution of silicious microfossils and volcanic glass. The silica was reprecipitated...
1972
Non-Carbonate Intrabasinal Grains in Arenites: Their Recognition, Significance, and Relationship to Eustatic Cycles and Tectonic Setting
Eduardo Garzanti
Journal of Sedimentary Research (SEPM)
..., where they are generally diluted due to higher sedimentation rates. Other NCI grains, including plant debris, siliceous tests, clastic gypsum and even...
1991
Stratigraphy and Inferred Tectonic Framework of Lower Paleozoic Rocks in the Eastern Klamath Mountains, Northern California
A. W. Potter, P. E. Hotz, D. M. Rohr
Pacific Section SEPM
... Z4 Bonded quartzite of Q ~ Squaw Gulch ~ en o SOms, siliceous I~RWtl ~ o D isrupted calcareous si llstone member of MoffeU C reek Formalion sf...
1977