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La Jolla Fan

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Journal Article
Published: 14 May 2020
Journal of Sedimentary Research (2020) 90 (5): 468–479.
...Katherine L. Maier; Charles K. Paull; David W. Caress; Krystle Anderson; Nora M. Nieminski; Eve Lundsten; Benjamin E. Erwin; Roberto Gwiazda; Andrea Fildani ABSTRACT New high-resolution datasets across La Jolla submarine fan, offshore California, illuminate low-relief, down-dip widening conduits...
FIGURES | View All (7)
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1983
AAPG Bulletin (1983) 67 (1): 83–96.
...S. A Graham; S. B Bachman ABSTRACT La Jolla fan, offshore of San Diego, California, is a well-studied example of submarine-fan sedimentation, yet the internal architecture of the fan has remained poorly known. High-resolution seismic data, recorded in a 1 by 2 mi (1.6 by 3.3 km) grid, over much...
FIGURES | View All (13)
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1967
AAPG Bulletin (1967) 51 (3): 461.
...Robert F. Dill Observations from Deepstar , a research submersible, indicate that submarine erosional processes are actively modifying the main channel of La Jolla fan-valley. Internal terraces, slump scars, scour depressions around isolated erratic boulders up to 3 feet across, and a lack of talus...
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1969
AAPG Bulletin (1969) 53 (2): 390–420.
...F. P. Shepard; R. F. Dill; Ulrich Von Rad Abstract The depositional environments of La Jolla canyon, fan-valley, and fan are well known from closely spaced sounding lines, deep-diving vehicle observations, numerous undisturbed box cores, and continuous reflection profiles. The narrow rock-walled...
FIGURES | View All (32)
Journal Article
Published: 01 June 1969
Journal of Sedimentary Research (1969) 39 (2): 601–606.
...David J. W. Piper; Niel F. Marshall Abstract The sediments of La Jolla Fan comprise alternating beds of mud and sand. The muds and the upper parts of sand beds are highly disturbed by burrowing animals. The amount of reworking in sand beds can be calculated from the degree of disturbance of the bed...
Journal Article
Journal: GSA Bulletin
Published: 01 March 1965
GSA Bulletin (1965) 76 (3): 385–392.
...DAVID G MOORE Abstract Nearly horizontal beds of stiff cohesive clays alternating with cohesionless silts crop out along a steep wall of the channel in La Jolla Fan Valley in water depths of about 3000 feet. These exposures are believed to be the result of lateral channel erosion by turbidity...
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1965
AAPG Bulletin (1965) 49 (3): 338.
...Robert F. Dill ABSTRACT Observations, made from the bathyscaph Trieste during six dives to depths ranging from 1,800 to 3,000 feet, reveal that submarine erosion is actively modifying a series of step-like terraces forming the internal walls of the La Jolla Submarine Fan Valley. The innermost...
Image
—Submarine relief and locations of core samples along La Jolla fan and fan-valley. Contours largely from Shepard and Buffington (1968).
Published: 01 February 1969
Fig. 1. —Submarine relief and locations of core samples along La Jolla fan and fan-valley. Contours largely from Shepard and Buffington (1968) .
Image
—Two sparker lines across La Jolla fan valley illustrating erosional-constructional nature of topographic relief and structural control on channel position. Section locations shown on Figure 2.
Published: 01 January 1983
FIG. 10 —Two sparker lines across La Jolla fan valley illustrating erosional-constructional nature of topographic relief and structural control on channel position. Section locations shown on Figure 2 .
Image
—Location of survey areas on La Jolla fan. Bathymetry is modified after Shepard and Buffington (1968). CI = 100 m.
Published: 01 November 1970
Fig. 3. —Location of survey areas on La Jolla fan. Bathymetry is modified after Shepard and Buffington (1968) . CI = 100 m.
Image
—Bathymetry of upper La Jolla fan-valley from deep-tow data. Fish track and locations of profiles used in Figures 5 and 6 are shown. CI = 10 m.
Published: 01 November 1970
Fig. 4. —Bathymetry of upper La Jolla fan-valley from deep-tow data. Fish track and locations of profiles used in Figures 5 and 6 are shown. CI = 10 m.
Image
—Line profile of upper La Jolla fan-valley with no vertical exaggeration taken with deep tow. Profile locations are shown in Figure 4.
Published: 01 November 1970
Fig. 5. —Line profile of upper La Jolla fan-valley with no vertical exaggeration taken with deep tow. Profile locations are shown in Figure 4 .
Image
—Bathymetry of lower La Jolla fan-valley. CI = 5 m.
Published: 01 November 1970
Fig. 7. —Bathymetry of lower La Jolla fan-valley. CI = 5 m.
Image
—Line profiles of lower La Jolla fan-valley with no vertical exaggeration taken with deep tow. Profile locations are shown in Figure 9. Terraced morphology of fan-valley is maintained to line N.
Published: 01 November 1970
Fig. 8. —Line profiles of lower La Jolla fan-valley with no vertical exaggeration taken with deep tow. Profile locations are shown in Figure 9 . Terraced morphology of fan-valley is maintained to line N.
Image
—Recent history of La Jolla fan-valley. Incision of main valley distributary isolates upstream branches, and subsequent overbank deposition tends to smooth fan surface (2). Single valley cuts across entire fan as incision continues (3). Remnants of old distributaries are partly filled and smoothed, leaving discontinuous depressions on fan surface.
Published: 01 November 1970
Fig. 12. —Recent history of La Jolla fan-valley. Incision of main valley distributary isolates upstream branches, and subsequent overbank deposition tends to smooth fan surface (2). Single valley cuts across entire fan as incision continues (3). Remnants of old distributaries are partly filled
Image
—Profiles taken from fathograms of transverse crossings of La Jolla fan-valley. Includes 5 profiles from outer La Jolla canyon. Indicates character of terraces and levees along fan-valley. From Shepard and Buffington (1968).
Published: 01 February 1969
Fig. 3. —Profiles taken from fathograms of transverse crossings of La Jolla fan-valley. Includes 5 profiles from outer La Jolla canyon. Indicates character of terraces and levees along fan-valley. From Shepard and Buffington (1968) .
Image
—Spheroidal weathering of clay blocks on north wall of La Jolla fan-valley at 445 fm (820 m) depth just above the channel floor. Photo by Dill.
Published: 01 February 1969
Fig. 10. —Spheroidal weathering of clay blocks on north wall of La Jolla fan-valley at 445 fm (820 m) depth just above the channel floor. Photo by Dill.
Image
—Continuous reflection profiles A-E roughly parallel La Jolla fan-valley axis (NE-SW), and F-Q are transverse to axis (NW-SE).
Published: 01 February 1969
Fig. 26. —Continuous reflection profiles A-E roughly parallel La Jolla fan-valley axis (NE-SW), and F-Q are transverse to axis (NW-SE).
Image
—Inner La Jolla fan-valley showing winding inner channel and straight valley walls. CI = 5 fm. Original plotting scale 1:24,000. From Shepard and Buffington (1968).
Published: 01 February 1969
Fig. 2. —Inner La Jolla fan-valley showing winding inner channel and straight valley walls. CI = 5 fm. Original plotting scale 1:24,000. From Shepard and Buffington (1968) .
Image
—C-14 dated layers of matted kelp in cores along La Jolla fan-valley and outer fan (116). Where not otherwise labeled, dates are from Scripps Carbon-14 Lab.
Published: 01 February 1969
Fig. 29. —C-14 dated layers of matted kelp in cores along La Jolla fan-valley and outer fan (116). Where not otherwise labeled, dates are from Scripps Carbon-14 Lab.