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Soledad volcanic conglomerate

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Series: GSA Memoirs
Published: 01 January 1993
DOI: 10.1130/MEM178-p199
... Lowe Granodiorite overlain by late Oligocene to early Miocene volcanic rocks on the southeast. The displacement of these correlative faults is younger than about 10 Ma, since it postdates deposition of conglomerate within the middle to late Miocene Mint Canyon Formation in Soledad basin...
Journal Article
Journal: Geology
Published: 01 December 1988
Geology (1988) 16 (12): 1085–1088.
...Don F. Parker; Jon G. Krystinik; Bryce J. McKee Abstract Coarse fluvial deposits of the Soledad Member of the Gueydan Formation were derived from the Trans-Pecos volcanic field (TPVF), but the proportions of clast types in the deposits do not match present outcrop abundances in the TPVF. Basalt...
Journal Article
Journal: AAPG Bulletin
Published: 01 June 1977
AAPG Bulletin (1977) 61 (6): 903–917.
...Larry J. Doyle; Donn S. Gorsline ABSTRACT The continental borderland off the Mexican state of Baja California is lithologically diverse, with sedimentary rocks ranging in age from late Paleocene to Holocene predominating. Poway Conglomerate is widespread in this region. Its recognition extends...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 18 January 2022
Lithosphere (2022) 2022 (1): 1024844.
... mudstone, with lenses of sandstone and conglomerate; reworked interbed in distal alluvial fan PS-531-546d 7656230 458515 Tephra Ar-Ar biotite plateau 5.76 ± 0.07   Data in supplemental file 6 Soledad borehole (ENAP) at ~533 m depth, in a gypsum/anhydrite-dominated interval with mudstone...
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Journal Article
Journal: Geosphere
Published: 16 January 2019
Geosphere (2019) 15 (2): 479–501.
..., determination of conglomerate-clast and sandstone compositions, and dating of detrital and igneous zircon of Oligocene–Miocene strata define two distinct subbasins and document initiation of extension and volcanism ca. 25–24 Ma, followed by local exhumation of the Pelona Schist, and transition from alluvial-fan...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1958
AAPG Bulletin (1958) 42 (8): 1812–1844.
... Pelona, an elongate mountain mass that trends east. Granitic intrusive rocks, probably late Mesozoic in age, underlie a complex section of Tertiary sedimentary and volcanic rocks in most of the eastern Soledad basin. Gneisses, some of which may represent highly injected Pelona schist, also are present...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1958
AAPG Bulletin (1958) 42 (1): 135–144.
... prings Q uadrangles   Feet Fiss fanglomerate      Fanglomerate and conglomerate of volcanic and some granitic detritus. . . . . . . . . . . . . . . . . . . . 1,700 Gem Hill formation      Tuff, tuff-breccia, tuffaceous sandstone, some conglomerate; local thin basic lava flows...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 12 September 2018
GSA Bulletin (2019) 131 (1-2): 155–174.
... ). The southernmost ENAP wells, Soledad-1 and Hilaricos-1, are clearly different from northern wells, but they share the conglomerate sequence at the base of the fill and the angular unconformity that separates the fill from the basement ( Figs. 3 and 4 ; Table 1 ). The Soledad-1 well has an upper sequence of clay...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1976
AAPG Bulletin (1976) 60 (1): 65–86.
... part of the section is always conglomerate, with massive blocks of basement rock in the Vasquez of the Soledad basin ( Oakeshott, 1958 ). Interbeds of maroon and green siltstone, mudstone, and claystone are common, and become more common and massive in the upper part. The entire section is highly...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 01 June 2014
Lithosphere (2014) 6 (3): 157–176.
... formation) unconformably overlying the Maniobra Formation (informally designated the Shaver formation). Williams (1956) documented that northern exposures of the nonmarine strata consist of conglomerate, sandstone, mudrock, limestone, and volcanic rocks; that the strata are at least 1300 m thick...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1972
AAPG Bulletin (1972) 56 (3): 480–493.
... of the Soledad area in the San Gabriel Mountains, especially as similar anorthositic rocks are found at both localities. The successions are petrologically similar, except that the Orocopia sediments contain zones of monoclastic granitic breccia, which are absent in the Soledad area. However, conglomerates...
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Journal Article
Journal: GSA Bulletin
Published: 01 February 2001
GSA Bulletin (2001) 113 (2): 196–221.
... of these basins and has also been interpreted as being extensional in origin (e.g., Spittler and Arthur, 1982 ). As much as 2000 m of uppermost Oligocene and lower Miocene irregularly interbedded nonmarine conglomerate, sandstone, siltstone, limestone, and associated volcanic flows and intrusions are preserved...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1940
AAPG Bulletin (1940) 24 (2): 376–382.
... of Bailey, and also the Fant member of his Gueydan and it was assumed that the Soledad conglomerate passes downdip into the coarse sands underlying the “Middle Marine Oligocene.” The physical continuity of these beds has not been demonstrated, although it is interesting to speculate that a seaward tilting...
Journal Article
Published: 01 February 2012
Geochemistry: Exploration, Environment, Analysis (2012) 12 (1): 33–44.
... Soledad is a placer associated with the Kollpaña Formation and has been worked since the time of the Incas (1400 AD). In the 1990s a number of artisanal mines were run as co-operatives by indigenous families at Caracollo and Soledad. The Kollpaña formation is made up of conglomerates of Tertiary...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1981
AAPG Bulletin (1981) 65 (7): 1256–1284.
... Jurassic andesitic volcanic rocks and Cretaceous granitic plutons. The Cretaceous strata are generally Campanian and Maestrichtian, latest Late Cretaceous, although basal nonmarine conglomerates have been shown to be considerably older, especially in the Santa Ana and Santa Monica Mountains ( Popenoe, 1941...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1940
AAPG Bulletin (1940) 24 (12): 2126–2142.
... FIELD Series Group Formation Lithologic Description Thickness in Feet Remarks Miocene   Oakville Buff clay with massive sand at base 0–100   Oligocene Upper Catahoula (Geuydan) LaChusa Predominantly volcanic ash with thin volcanic sands ?   Soledad Heavy conglomeratic...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1935
AAPG Bulletin (1935) 19 (8): 1131–1147.
... of the Catahoula series, cropping out in the central western part of the North pool, consists of gray-to-brown, medium-to-coarse sandstones and conglomerates containing much volcanic material interbedded with tuffaceous clays similar to those of the Chusa formation. Considerable fine-grained sandy tuff...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1935
AAPG Bulletin (1935) 19 (3): 378–400.
... Catahoula clays in the Buckeye subsurface. The Basal Fleming sands, or rather, the basal sands of the Upper Catahoula, are correlated tentatively with the Catahoula “rice sands” of East Texas. Furthermore, the Soledad conglomerates and coarse sandstones, although perhaps 100 feet thick at the outcrop...
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Journal Article
Journal: Geology
Published: 01 September 2013
Geology (2013) 41 (9): 975–978.
..., and the San Jacinto fault (bold lines in Fig. 1 ; Matti and Morton, 1993 ). The widely cited estimate of 240 km of right-lateral displacement is based on fluvial conglomerates of the middle Miocene Mint Canyon Formation in the Soledad basin southwest of the SAF that are offset from their source area...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1994
AAPG Bulletin (1994) 78 (7): 1040–1074.
... Gneiss of the western San Gabriel Mountains ( Oakeshott, 1958 ; Ehlig, 1981 ) and the Mendenhall Gneiss of the Alamo Mountain area west of the Ridge basin ( Ehlig and Crowell, 1982 ). Zircons from layered gneiss in the western San Gabriel Mountains adjacent to the Soledad basin are dated as 1715 ±30 Ma...
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