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The AAPG/Datapages Combined Publications Database
Showing 18,445 Results. Searched 201,044 documents.
Siliciclastic Influence on Mesozoic Platform Development: Baltimore Canyon Trough, Western Atlantic
Franz O. Meyer
Special Publications of SEPM
... and shales contain a variety of microfossils that suggest most of these strata are Lower Berriasian. E. R. Ringer and H. L. Patten (pers. commun...
1989
Lithofacies Changes in the Porters Creek Formation (Paleocene) of Southern Alabama
Ernest A. Mancini, Berry H. Tew
GCAGS Transactions
.... In southwestern Alabama, the basal and lower portions of the formation include marls, limestones and calcareous clays. The middle portion of this unit...
1989
Importance of Dimorphosiphon (Chlorophyta, Bryopsidales) for Facies and Paleobiogeographic Studies of the Upper Ordovician Richmondian Red River Formation, Williston Basin
Benjamin E. Rendall, Antun Husinec
PALAIOS
..., [email protected]; 2St. Lawrence University, Department of Geology, Canton, New York, 13617, USA, [email protected] ABSTRACT Early Paleozoic calcareous algae...
2012
21th Field Conference (Part One): Geology of the Uppermost Magdalena Valley
Salomon Kroonemberg, Hans Diederix
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... sites calcareous beds have 77 been observed near the base (see above). The volcanic rocks are usually strongly al tered; the absence of primary...
1982
Sedimentation and Biostratigraphy of Osagean and Meramecian Starved Basin and Foreslope, Western United States
Charles A. Sandberg, Raymond C. Gutschick
Rocky Mountain Section (SEPM)
... pelletal, peloidal, oolitic, and conglomeratic phosphorite; phosphatic shale enclosing large calcareous concretions; bedded spiculitic and radiolarian...
1980
PALEOECOLOGICAL SUCCESSION OF NORIAN (LATE TRIASSIC) BENTHIC FAUNA IN EASTERN PANTHALASSA (LUNING AND GABBS FORMATIONS, WEST-CENTRAL NEVADA)
LYDIA S. TACKETT, DAVID J. BOTTJER
PALAIOS
... of four informal members: the clastic member, shaly limestone member, calcareous shale member, and carbonate member (Silberling 1959) (Fig. 1...
2016
Seismic Stratigraphic Investigation of West Florida Slope, Gulf of Mexico: 3. Regional Stratigraphy and Structure
R. M. Mitchum Jr.
AAPG Special Volumes
... structures and may destroy them partly or completely. Questionable turbidites, more than 6 ft (180 cm) thick, are present in some calcareous clay...
1978
Applications of Geochemical Data to Modelling Sediment Dispersal Patterns in Distal Turbidites: Late Quaternary of the Madeira Abyssal Plain
T. J. Pearce, I. Jarvis
Journal of Sedimentary Research (SEPM)
... increasing proportions of calcareous nannofossils and clay minerals (Unit 3) and characterized by enhanced Ca and Al concentrations. Unit 1 thins and fines...
1992
Microbialite and Microstratigraphy: The Origin of Encrustations in the Middle and Upper Capitan Formation, Guadalupe Mountains, Texas and New Mexico, U.S.A.
B.L. Kirkland , J.A.D. Dickson , R.A. Wood , L.S. Land
Journal of Sedimentary Research (SEPM)
... of Wisconsin at Madison, 241 p. BABCOCK, J.A., 1977, Calcareous algae, organic boundstones, and the genesis of the upper Capitan Limestone (Permian...
1998
Nonglacial Varves in Lower Member of Arkansas Novaculite (Devonian), Arkansas and Oklahoma
Donald R. Lowe
AAPG Bulletin
...-and-shale subdivision consisting of alternating beds of chert and green shale, (2) a calcareous subdivision made up of massive novaculite containing...
1976
Fine-grained distal deposits of a mixed siliciclastic–carbonate marine system: Origin of mud and implications on mixing processes
Mariano N. Remírez,, Luis A. Spalletti, Manuel F. Isla, Ernesto Schwarz
Journal of Sedimentary Research (SEPM)
... elements and microfossils from the Pilmatué Member, Agrio Formation (Early Cretaceous), Neuquén Basin, Argentina: Advances in South American...
2022
SURVIVING METAMORPHISM: TAPHONOMY OF FOSSIL ASSEMBLAGES IN MARBLE AND CALC-SILICATE SCHIST
CASTO LABORDA-LÓPEZ, JULIO AGUIRRE, STEPHEN K. DONOVAN
PALAIOS
..., putative trilobites, and possible gastropods and benthic foraminifers. Laminar structures similar to encrusting calcareous algae and nodular organisms...
2015
NEW DATA ON THE MORPHOLOGY AND BIOSTRATIGRAPHY OF BIPLANISPIRA (FORAMINIFERIDA), BASED ON ITS OCCURRENCE IN ARMENIA
ELENA YU ZAKREVSKAYA
PALAIOS
... and Quaternary calcareous nannoplankton zonation, in A. Farinacci (ed.), Proceedings of the 2nd Planktonic Conference on Planktonic Microfossils Roma...
2017
Devonian System in Bolivia, Peru and Northern Chile
P. E. Isaacson, P. E. Sablock
CSPG Special Publications
... up clasts from subjacent lithologies. Small, fossiliferous, slightly calcareous nodules occur in variable concentrations throughout the formation...
1988
Field and well evidence for major unconformities in north Sarawak, compared to southwest Sabah, Malaysia
Peter Lunt
Geological Society of Malaysia (GSM)
... the main Nyalau Formation generally contains a few lignites but also has periodic, thin, marine calcareous horizons. Core-holes as deep as 400 feet reported...
2022
Quaternary Evolution of the Apalachicola Coast, Northeastern Gulf of Mexico
Ervin G. Otvos
Special Publications of SEPM
... extent and Huddlestun Middle Pliocene units NI8 19 and miniferal Zones NI8 23 1991 b occur in neritic calcareous sedi ments Otvos 1984...
1992
Stratigraphy and Preservation Potential of Sediments from Adjacent Holocene and Pleistocene Barrier-Island Systems, Cape Charles, Virginia
Kenneth Finkelstein
Special Publications of SEPM
... lithology radiocarbon dates and microfossils Quaternary development of a twin barrier island complex Based barriers both a transgressive outer Holocene...
1992
Banda Arc Tectonics: The Significance of the Sumba Island (Indonesia): Convergent Margins: Fields Investigations of Margin Structure and Stratigraphy
F. H. Chamalaun, A. E. Grady, C. C. von der Borch, H. M. S. Hartono
AAPG Special Volumes
... with these occurrences. The only other faunal elements isolated so far in this study are rare calcareous concretions from some of the carbonaceous...
1982
Improving Stratigraphic Resolution in Indonesia Using the Method of Sequence Biostratigraphy
Robert J Morley, Harsanti P. Morley
Indonesian Petroleum Association
... foraminifera and palynology, and palynology alone in non-marine basins. Cycles are ‘fingerprinted’ by reference to agerestricted microfossils in distal...
2023
Deep Sea Carbonates: Acoustic, Physical, and Stratigraphic Properties
Larry A. Mayer
Journal of Sedimentary Research (SEPM)
... platy carbonate material while low carbonate material is dominated by low density spiny siliceous microfossils. Stratigraphic control was achieved...
1979
Island Arc Carbonates from the Silurian Heceta Formation of Southeastern Alaska (Alexander Terrane)
Constance M. Soja
Journal of Sedimentary Research (SEPM)
..., v. 81, p. 557-575. BRASIER, M.D., 1980, Microfossils: Boston, Allen and Unwin, 193 p. CHURKIN, M., JR., 1974, Paleozoic marginal ocean basin-volcanic...
1990
Geology of the Ahuas Area in the Mosquitia Basin of Honduras: Preliminary Report
R. A. Mills , R. Barton
AAPG Bulletin
... by sinistral and dextral faults (Gordon and Muehlberger, 1994) (Figure 2). REGIONAL GEOLOGY OF THE PATUCA REGION Because of the lack of microfossils for dating...
1996
Sedimentologic, Diagenetic, and Geochemical Analysis of Upper Mesozoic Ribbon Cherts from the Franciscan Assemblage at the Marin Headlands, California
S. M. Karl
Pacific Section SEPM
... of high calcareous production. Abundant siliceous microfossils imply an oceanic zone of high productivity such as the northern equatorial zone of upwelling...
1984
Stylolite Development Post-Dates Rock Induration
H. V. Dunnington
Journal of Sedimentary Research (SEPM)
...-based. The writer has concluded from independent observations that stylolites do not develop in calcareous rocks before consolidation; he also considers...
1954
Sample Examination
R. G. Swanson
AAPG Special Volumes
...., v. 33, p. 73-91. Illing, L.V., 1954, Bahama Calcareous Sands: AAPG Bull., v. 38, p. 1-35. Krumbein, W.C., and L.L. Sloss, 1951, Stratigraphy...
1981