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Andreas Redbeds

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Journal Article
Journal: Geology
Published: 01 March 1988
Geology (1988) 16 (3): 195–198.
...John D. Miller; Dennis V. Kent Abstract Two components of magnetization were isolated in the Silurian-Devonian Andreas redbeds of the central Appalachians of Pennsylvania (lat 40.75°N, long 75.78°W): a thermally distributed, synfolding B component, and a thermally discrete, pre-Alleghenian-age...
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Figure 2. Paleolatitudinal distribution of rudist localities in the  Late C...
Published: 01 September 2001
of redbeds is probably less affected by burial compaction than the paleomagnetism of marine sediments, which are typically magnetized by depositional processes. The position of the Marca Shale (Late Cretaceous upwelling) and the southern limit of Cretaceous rocks east of the San Andreas fault (SAF
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1961
AAPG Bulletin (1961) 45 (2): 256–263.
... Oriskany sandstone Helderberg limestone Silurian Bloomsburg redbeds The Bloomsburg redbeds of Late and possibly Middle Silurian age are the oldest strata affected by the Sweet Arrow fault. They are 1,000–1,800 feet thick and consist of red and red-brown shale, siltstone...
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Journal Article
Published: 01 December 1992
Journal of the Geological Society (1992) 149 (6): 867–870.
.... Palaeomagnetism of the Silurian-Devonian Andreas redbeds: Evidence for an Early Devonian supercontinent? Geology 1988 16 195 198 Murphy F. C. Evidence for late Ordovician amalgamation of volcanogenic terranes in the Iapetus suture zone, eastern Ireland Transactions of the Royal Society...
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1972
AAPG Bulletin (1972) 56 (3): 480–493.
... ft thick and is bounded by the San Andreas and Nacimiento fault zones. Sediment accumulated in a steep-sided, troughlike basin southwest of the present San Andreas fault zone. The basin extended southeastward across the Big Pine and Pine Mountain faults into the Ventura basin in which the lower...
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Journal Article
Published: 01 September 1993
Journal of the Geological Society (1993) 150 (5): 823–831.
.... Kent D. V. Palaeomagnetism of the Silurian-Devonian Andreas redbeds: Evidence for an Early Devonian supercontinent? Geology 1988 16 195 198 Miller J. D. Kent D. V. Palaeomagnetism of the Upper Ordovician Juniata Formation of the Central Appalachians revisited again Journal...
Journal Article
Journal: AAPG Bulletin
Published: 01 December 1958
AAPG Bulletin (1958) 42 (12): 2973–3000.
... ) as Oligocene(?). At the type locality ( Fig. 4 ) the Pattiway formation is overlain unconformably by redbeds of the Simmler formation, but the base is unexposed. Total exposed thickness is 3,680 feet. The upper 3,300 feet is made up predominantly of light gray to buff hard medium-grained arkosic sandstones...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2001
GSA Bulletin (2001) 113 (9): 1171–1178.
... of redbeds is probably less affected by burial compaction than the paleomagnetism of marine sediments, which are typically magnetized by depositional processes. The position of the Marca Shale (Late Cretaceous upwelling) and the southern limit of Cretaceous rocks east of the San Andreas fault (SAF...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1941
AAPG Bulletin (1941) 25 (10): 1880–1897.
... of the field, were the first to encounter the Yates sand air. The pressure was not sufficient to unload the holes but did blow out some of the mud after trips when the air bubble came around out of the drill pipe. It was not necessary to run an intermediate string of casing through the redbeds to the top...
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Journal Article
Journal: Geosphere
Published: 22 December 2022
Geosphere (2023) 19 (1): 258–290.
... (ETOPO) and the Shuttle Radar Topography Mission (SRTM). Panel A: Shaded relief map of western North America showing physiographic regions, major thrust belts, metamorphic core complexes, the Sierra Nevada arc, the San Andreas fault, major shear zones, and the extent of panel B. Panel B: Shaded relief...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1948
AAPG Bulletin (1948) 32 (12): 2254–2268.
...; the granitic La Panza Mountains on the south; and the famous San Andreas rift on the northeast. The basin has two outlets, one through a narrow channel at the northwest end into the Santa Cruz basin and another narrow channel at the southeast end where it joins the Carrizo Plains ( Fig. 1 ). Fig. 1...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1961
AAPG Bulletin (1961) 45 (12): 1941–1956.
... prominent structural feature in the eastern part of the Ventura Basin ( Fig. 2 ). The fault is about 80 miles long, strikes northwest, and is broadly arcuate in pattern, with a slight convexity toward the southwest. It roughly parallels the San Andreas fault, which is 5–20 miles distant toward the northeast...
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Journal Article
Published: 01 June 1979
Journal of the Geological Society (1979) 136 (3): 293–302.
...J. C. Crowell Abstract The active San Andreas fault system today lies at the splintered boundary between the Pacific and North American lithospheric plates, a tectonic arrangement that originated in California in the Oligocene. By late Miocene time sedimentary breccias derived from San Andreas...
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1950
AAPG Bulletin (1950) 34 (8): 1659–1698.
... of deposition of arkosic sediments along the east side of the Front Range positive element took place even into Permian time since the Satanka, a Wyoming Permian redbed formation, becomes sandy toward the south and can be shown to be all sandstone at the type locality of the Lyons at Lyons, Colorado...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1963
AAPG Bulletin (1963) 47 (11): 1904–1927.
... of the Albert see Greiner, 1962 ). To some degree lower Albert beds are believed to be facies of the Memramcook, which might also explain thinness or absence of the redbeds. Up to a mile or more of organic-rich Albert shales, carbonates, and marginal coarser clastics were deposited from lake waters...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1972
AAPG Bulletin (1972) 56 (3): 608.
..., and limestone, are underlain by redbeds and greenish-gray shales and overlain by relatively unconsolidated sands and conglomerates. The phosphate is concentrated in 2 units: an upper phosphate zone ranging in thickness from about 45 ft to 75 ft and containing from 15 to 20% P 2 O 5 , and a lower phosphate zone...
Journal Article
Published: 23 December 2013
Italian Journal of Geosciences (2014) 133 (1): 101–115.
... groups refer to the mineralogical and geochemical composition. Fig. 3 Exposure of selected sampled area: A ) Crotone area (Plio-Pleistocene deposits); B ) Cosenza area (Crati Valley; Plio-Pleistocene deposits); C ) S. Andrea Apostolo dello Ionio area (southern Ionian Coast; Plio-Pleistocene...
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Journal Article
Journal: PALAIOS
Published: 01 August 2000
PALAIOS (2000) 15 (4): 293–313.
... is indicated by cross-hatching. (C) Exposures examined in the Bromacker area. Numbers 1, 2, and 3 refer to the three Bromacker vertebrate fossil quarries. (D) Rotliegend stratigraphy in the Thuringian Forest area. Modified after Andreas (1996) FIGURE 2 —Simplified E–W cross-section through...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1937
AAPG Bulletin (1937) 21 (7): 833–898.
.... Since Murchison’s historic investigation of the rocks of Russia which led him across the vast expanse of redbeds lying west of the Ural Mountains and resulted in the recognition of a new system 3 in 1841, problems concerning this assemblage of rocks have been numerous and controversial. In England...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1966
AAPG Bulletin (1966) 50 (11): 2464–2470.
... in the region may reveal the presence of similar deposits. Fig. 3. —Stratigraphic column of upper Sespe Creek-Pine Mountain area, Ventura County, California. REFERENCES Bailey , T. L. , 1947 , Origin and migration of oil into Sespe redbeds, California : Am. Assoc. Petroleum Geologists...
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