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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Angola (1)
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Southern Africa
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Italy
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Western Europe
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Mexico
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North America
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Pacific Ocean
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North Pacific
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Crustacea
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Podocopida
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Brachiopoda
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Articulata (1)
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Cephalopoda
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Gastropoda
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Protista
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Foraminifera
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Rotaliina
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Nummulitidae
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Radiolaria (5)
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Vermes (1)
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Plantae
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thallophytes (9)
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geochronology methods
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geologic age
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Tertiary
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Neogene
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Paleogene
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Chadron Formation (1)
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middle Eocene
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Sparta Sand (1)
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Subathu Formation (1)
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upper Eocene
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La Meseta Formation (1)
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-
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Ghost Rocks Formation (1)
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Oligocene
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lower Oligocene (2)
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Paleocene
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Clayton Formation (2)
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lower Paleocene
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Danian (12)
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K-T boundary (16)
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Midway Group (1)
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Tullock Member (3)
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upper Paleocene
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Thanetian (1)
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-
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Wasatch Formation (3)
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Wilcox Group (2)
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Sobral Formation (1)
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Mesozoic
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Cretaceous
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Mancos Shale (1)
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Upper Cretaceous
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Blackhawk Formation (1)
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Campanian (3)
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Austin Chalk (1)
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Prairie Bluff Chalk (2)
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Hell Creek Formation (3)
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Javelina Formation (1)
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Kirtland Shale (2)
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K-T boundary (16)
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Lance Formation (1)
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Senonian (17)
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Franciscan Complex (7)
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Jurassic
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Upper Jurassic (1)
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Paleozoic
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Carboniferous
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Devonian
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Ordovician
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Permian
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Upper Permian
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Zechstein (1)
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upper Paleozoic
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Phanerozoic (2)
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Precambrian
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upper Precambrian
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Proterozoic
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Ventersdorp Supergroup (2)
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igneous rocks
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porphyry (2)
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zircon group
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zircon (11)
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sheet silicates
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illite (4)
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mica group
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sericite (1)
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sulfates
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sulfides
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tellurides
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Primary terms
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absolute age (37)
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Africa
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Southern Africa
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Vaal River (2)
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Asia
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atmosphere (7)
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carbon
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Cenozoic
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upper Pleistocene (1)
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Tertiary
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Arikaree Group (1)
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lower Tertiary
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Taishu Group (1)
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middle Tertiary (1)
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Neogene
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Pliocene
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upper Pliocene (1)
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Paleogene
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Chadron Formation (1)
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Eocene
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Baca Formation (1)
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Golden Valley Formation (1)
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Green River Formation (1)
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Lake Uinta (1)
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lower Eocene
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Sparnacian (1)
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Willwood Formation (1)
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Ypresian (4)
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-
middle Eocene
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Aycross Formation (1)
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Bartonian (1)
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Lutetian (1)
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Sparta Sand (1)
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-
Subathu Formation (1)
-
upper Eocene
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La Meseta Formation (1)
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-
-
Ghost Rocks Formation (1)
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Huber Formation (1)
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Ilerdian (1)
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Oligocene
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lower Oligocene (2)
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Paleocene
-
Clayton Formation (2)
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lower Paleocene
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Danian (12)
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K-T boundary (16)
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Puercan (1)
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Midway Group (1)
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Nacimiento Formation (1)
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Ravenscrag Formation (1)
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Tongue River Member (1)
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Tullock Member (3)
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upper Paleocene
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Thanetian (1)
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-
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Wasatch Formation (3)
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White River Group (1)
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Wilcox Group (2)
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Sobral Formation (1)
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Central America
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Reptilia
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Diapsida
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clay mineralogy (8)
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data processing (5)
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Deep Sea Drilling Project
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IPOD
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Leg 62
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DSDP Site 465 (1)
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Leg 74
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DSDP Site 527 (1)
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DSDP Site 528 (1)
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Leg 77
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DSDP Site 536 (1)
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DSDP Site 540 (1)
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Leg 91
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DSDP Site 596 (1)
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Leg 12
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DSDP Site 112 (1)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
lower Tertiary
The Mystery Deepens: Anomalously Fast Speed of the Indian Lithospheric Plate - A Review Available to Purchase
Upper plate deformation during blueschist exhumation, ancestral western California forearc basin, from stratigraphic and structural relationships at Mount Diablo and in the Rio Vista Basin Available to Purchase
ABSTRACT Late Cenozoic growth of the Mount Diablo anticline in the eastern San Francisco Bay area, California, USA, has produced unique 3D exposures of stratigraphic relationships and normal faults that record Late Cretaceous uplift and early Tertiary extension in the ancestral California forearc basin. Several early Tertiary normal faults on the northeast flank of Mount Diablo have been correlated with structures that accommodated Paleogene subsidence of the now-buried Rio Vista basin north of Mount Diablo. Stepwise restoration of deformation at Mount Diablo reveals that the normal faults probably root into the “Mount Diablo fault,” a structure that juxtaposes blueschist-facies rocks of the Franciscan accretionary complex with attenuated remnants of the ophiolitic forearc basement and relatively unmetamorphosed marine forearc sediments. This structure is the local equivalent of the Coast Range fault, which is the regional contact between high-pressure Franciscan rocks and structurally overlying forearc basement in the northern Coast Ranges and Diablo Range, and it is folded about the axis of the Mount Diablo anticline. Apatite fission-track analyses indicate that the Franciscan rocks at Mount Diablo were exhumed and cooled from depths of 20+ km in the subduction zone between ca. 70−50 Ma. Angular unconformities and growth relations in the Cretaceous and Paleogene stratigraphic sections on the northeast side of Mount Diablo, and in the Rio Vista basin to the north, indicate that wholesale uplift, eastward tilting, and extension of the western forearc basin were coeval with blueschist exhumation. Previous workers have interpreted the structural relief associated with this uplift and tilting, as well as the appearance of Franciscan blueschist detritus in Late Cretaceous and early Tertiary forearc strata, as evidence for an “ancestral Mount Diablo high,” an emergent Franciscan highland bordering the forearc basin to the west. This outer-arc high is here interpreted to be the uplifted footwall of Coast Range fault. The stratigraphic and structural relations exposed at Mount Diablo support models for exposure of Franciscan blueschists primarily through syn-subduction extension and attenuation of the overlying forearc crust in the hanging wall of the Coast Range fault, accompanied by (local?) uplift and erosion of the exhumed accretionary prism in the footwall.
Formation, diagenesis and fauna of cold seep carbonates from the Miocene Taishu Group of Tsushima (Japan) Available to Purchase
Early Tertiary extensional magmatism in southern Mexico and its relationship to exhumation of the Xolapa complex and detachment of the Chortis block Available to Purchase
Geology and hydrocarbon potential of offshore SE Somalia Available to Purchase
Improving seismic resolution of prestack time-migrated data Available to Purchase
Salt tectonics of the eastern border of the Leinetal Graben, Lower Saxony, Germany, as deduced from seismic reflection data Available to Purchase
The Late Cretaceous Middle Fork caldera, its resurgent intrusion, and enduring landscape stability in east-central Alaska Open Access
Provenance of the Upper Cretaceous to Lower Tertiary Sedimentary Relicts in the Renbu Mélange Zone, within the Indus-Yarlung Suture Zone Available to Purchase
Regional controls on Lower Tertiary sandstone distribution in the North Sea and NE Atlantic margin basins Available to Purchase
Abstract Widely distributed deep-water fan sandstones of early Tertiary age form the reservoir for one of the most successful and prolific plays in the North Sea and NE Atlantic margin. Stratigraphic interpretation of a large well database provides the basis for mapping sand distribution and depositional environments in these two hydrocarbon provinces. Sand thickness maps for five Paleocene–Lower Eocene plays illustrate the intimate relationship between pre-existing structural features and sand distribution and facies in the North Sea. Large-scale depositional environment mapping gives an insight into the similarities and differences between basin evolution and sand distribution in North Sea and NE Atlantic margin basins. Both provinces were affected by the same succession of pre-break-up and syn-break-up tectonic and magmatic events that led to early Eocene continental separation and the formation of the NE Atlantic. The impact of these events was muted within the North Sea, which was protected from Paleocene rifting on the NE Atlantic margin by the Scotland–Shetland hinterland and from Paleocene–early Eocene volcanism by its more distant location. However, it was the combination of tectonic and thermal uplift of this clastic source area that contributed the large volumes of sand that accumulated in both these provinces.