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Anacapa Island

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Journal Article
Published: 01 March 1960
Journal of Sedimentary Research (1960) 30 (1): 123-139.
...David W. Scholl Abstract Anacapa Island comprises 3 small islands which lie approximately 12 mi. off the southern California coast along long. 34 degrees 00'30"N. They rise above a submerged westward-trending anticlinal ridge which extends seaward from the western terminus of the Santa Monica...
Journal Article
Journal: GSA Bulletin
Published: 01 November 1964
GSA Bulletin (1964) 75 (11): 1169-1176.
...JERE H LIPPS Abstract A late Pleistocene surf-cut platform with a shoreline angle elevation of 28 feet above high-tide level is present on West Anacapa Island, California. The platform is covered by a sequence of marine and nonmarine deposits containing the remains of marine and terrestrial...
Journal Article
Published: 01 November 1963
Journal of Paleontology (1963) 37 (6): 1292-1302.
...James W. Valentine; Jere H. Lipps Abstract A marine invertebrate fauna of approximately 120 species has been recovered from lenses in a marine terrace sand near 250 ft in elevation on central Anacapa Island, California. Lower and presumably younger terraces on nearby islands have been considered...
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1959
AAPG Bulletin (1959) 43 (1): 222-223.
...D. W. Scholl 1 Manuscript received, October 10, 1958. 2 University of Southern California, Department of Geology. © 1959 American Association of Petroleum Geologists. All rights reserved 1959 American Association of Petroleum Geologists Anacapa Island...
Image
Figure 6. Soil map of East <b>Anacapa</b> <b>Island</b> (redrawn from  Johnson, 1979 ), s...
Published: 01 January 2008
Figure 6. Soil map of East Anacapa Island (redrawn from Johnson, 1979 ), showing soil sample and bedrock sample localities.
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1969
AAPG Bulletin (1969) 53 (2): 460.
... fan into the eastern Santa Barbara Channel north of Anacapa Island. The Santa Cruz Island fault, also convex southward, continues south of Anacapa. San Onofre Breccia flanks both faults. San Onofre paleocurrent indicators on Santa Cruz Island and limited San Onofre outcrops on the northern tip...
Series: GSA Special Papers
Published: 01 January 2009
DOI: 10.1130/2009.2454(1.3)
... as thick as 10 m cannot be resolved, and estimates of the extent of rocky seafloor are exaggerated. A study area north of Anacapa Island in Southern California interpreted as a large rocky area after mapping with low-resolution seismic systems was found to have exposed rocky bottom in only 10% of the area...
Series: Miscellaneous Publications
Publisher: Pacific Section American Association of Petroleum Geologists
Published: 01 January 1998
DOI: 10.32375/1998-MP45.14
EISBN: 9781732014862
...’ geologic history during the past 40,000 years. A small deposit on Anacapa Island contains a primitive fauna and is probably older than previously suspected. ...
Journal Article
Journal: GSA Bulletin
Published: 01 April 1979
GSA Bulletin (1979) 90 (4): 331-337.
... Monica Mountains, Conejo Hills, and Anacapa Island. East declinations of from 64° to 81° were found, compared to expected Miocene declinations of 0°, and inclinations were too shallow by up to 21° for the present latitude. Preliminary data from Santa Cruz and San Miguel Islands suggest similar but larger...
Series: GSA Memoirs
Published: 01 January 1993
DOI: 10.1130/MEM178-p323
..., 203 facies, 110 Anacapa Islands, 283 Anchor Bay Member, 259, 260, 266 Anchor Bay sediments, 260 andesite, 13, 15, 32, 65, 207, 209, 234, 236, 237, 240, 241, 276, 277, 282, 295, 296, 311 clasts, 294 Angelus Oak, 317 anomalies gravity, 267 magnetic, 267 anorthosite, 15, 27, 34...
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1970
AAPG Bulletin (1970) 54 (3): 557.
...James S. Booth Abstract The presence of strong bottom currents in the northern Channel Island passages makes these areas ideal for the study of sediment dispersion and energy regimes by analysis of the textural properties of the sediments. A grid-sampling system was used to take 25, 36, and 37 grab...
Series: GSA Reviews in Engineering Geology
Published: 01 January 1998
DOI: 10.1130/REG12-p123
EISBN: 9780813758121
... azimuths between 180° and 240°. Six M L ≥5 earthquakes have been located along the MCFZ, most or all of which are attributed to the offshore Anacapa fault or to nonemergent structures to the south of the Anacapa fault. Hundreds of smaller earthquakes have been located in the vicinity of the MCFZ...
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1969
AAPG Bulletin (1969) 53 (2): 470.
... across the northern Channel Islands range from 20 to 80 mgal. North of the Santa Cruz Island fault there is little variation in the complete Bouguer anomaly except toward the east across the Anacapa Passage, where the complete Bouguer anomaly decreases sharply. This decrease reflects the deepening...
Journal Article
Published: 01 March 1973
Journal of Sedimentary Research (1973) 43 (1): 238-250.
... collected from the Northern Channel Island Passages off the Southern California Coast. The four textural moments were calculated for each sample and polynomial trend surface contour maps were constructed for mean and sorting for each passage. San Miguel Passage is characterized by sediment dispersion...
Series: Miscellaneous Publications
Publisher: Pacific Section American Association of Petroleum Geologists
Published: 01 January 1998
DOI: 10.32375/1998-MP45.2
EISBN: 9781732014862
.... The top of the Santa Cruz Island volcanic section is 16.33 ± 0.26 Ma. Anacapa ages near 16 Ma are the youngest found for the northern Channel Islands. Published 40 Ar/ 39 Ar dates from the Tranquillon Volcanics are 17.8 Ma .suggesting a widespread volcanic event between 18 and 16 Ma. We interpret...
Journal Article
Published: 01 December 1986
Bulletin of the Seismological Society of America (1986) 76 (6): 1542-1559.
... to 11 km. This 1979 Malibu main shock-aftershock sequence probably occurred on the eastern end of the Anacapa-Dume fault. The Santa Monica earthquake ( M L = 5.2) that occurred 31 August 1930 was relocated using station delays calculated from the 1979 date set. The relocated 1930 epicenter is located...
Journal Article
Journal: GSA Bulletin
Published: 01 October 2000
GSA Bulletin (2000) 112 (10): 1559-1581.
..., Anacapa-Dume, Santa Cruz Island, and Santa Rosa Island faults accommodates relative westward motion of the Transverse Ranges block ( Stierman and Ellsworth, 1976 ; Patterson, 1979 ; Jones et al., 1990 ; Pinter and Sorlien, 1991 ; Dolan and Sieh, 1992 ; Colson et al., 1995 ; Pinter et al., 1995...
FIGURES | View All (11)
Journal Article
Published: 01 December 2005
Bulletin of the Seismological Society of America (2005) 95 (6): 2040-2057.
...). High cov values (0.4–0.6) are found around the Garlock, Anacapa-Dume, and Palos Verdes faults in southern California and around the Maacama fault and Cascadia subduction zone in northern California. 28 01 2005 Copyright © 2005 Bulletin of the Seismological Society of America 2005...
FIGURES | View All (26)
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Figure 3. Geology and coastal geomorphology of Channel <b>Islands</b> National Par...
Published: 01 January 2008
Figure 3. Geology and coastal geomorphology of Channel Islands National Park on (A) Santa Cruz Island, (B) Santa Barbara Island, (C) East Anacapa Island, and (D) all three Anacapa Islands. Photographs by the authors.
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Figure 7. Soils on the California Channel <b>Islands</b>: (A) Vertic Haploxeralfs ...
Published: 01 January 2008
Figure 7. Soils on the California Channel Islands: (A) Vertic Haploxeralfs on East Anacapa Island, showing light-colored silt mantles overlying clay-rich Bt horizons; (B) Vertic Haploxeralf on San Clemente Island, showing light-colored silt mantle overlying darker, clay-rich Bt horizon; (C) hand