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Heceta Bank

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Series: SEPM Special Publication
Published: 01 January 1991
DOI: 10.2110/pec.91.09.0133
EISBN: 9781565761711
... with the margin. The northern province (region 3), from Cape Mendocino to Juan de Fuca Strait, can be subdivided into two subregions approximately at Heceta Bank, Oregon. The major provinces correspond on the first-order level to the two main modes of margin interaction with the adjacent ocean plates...
Journal Article
Published: 13 April 2007
Canadian Journal of Earth Sciences (2007) 44 (2): 229-244.
.... These areas include (1) the Fairweather Ground, (2) the Herbert Graves Island area, (3) the western coast of southern Baranof Island and adjacent continental shelf, (4) Coronation Island and the adjacent continental shelf, (5) the Warren Island area, (6) the continental shelf from west of Heceta Island...
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Journal Article
Journal: GSA Bulletin
Published: 01 August 2000
GSA Bulletin (2000) 112 (8): 1209-1224.
... of the landward edge of the outer arc high, i.e., the seaward limit of basinal sedimentation, or the most prominent structural and/or topographic high, is shown in Figure 3 . At Heceta Bank, two prominent highs have been identified, although the seaward of these two structures is preferred as the main outer arc...
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Image
Patterns of coseismic subsidence along the Cascadia coast predicted by mode...
Published: 01 November 2010
for past events (white-filled circles); intervening sites with no data (black circles). (B) Full-margin rupture from the Mendocino fault (MF) in the south to the Nootka fault (NF) in the north. (C, D, E, G) Rupture from Mendocino fault (MF) north to Coquille Bank (CB), Heceta Bank (HB), Nehalem Bank (NB
Image
Figure 6. Shaded relief structure contour map of the late Miocene unconform...
Published: 01 August 2000
Figure 6. Shaded relief structure contour map of the late Miocene unconformity on the central Cascadia shelf and upper slope. Depth in meters below sea level. Major structural and topographic features are labeled: HB—Heceta Bank; SiB—Siltcoos Bank; SB—Stonewall Bank; DBF—Daisy Bank fault; NBF
Image
Figure 8. (A) East-west multichannel seismic reflection profile across Hece...
Published: 01 August 2000
Figure 8. (A) East-west multichannel seismic reflection profile across Heceta Bank showing the outer arc high of the Neogene forearc basin (located in Fig. 1 ). On the continental shelf, the outer arc high has been truncated during Pleistocene lowstands, and lacks topographic relief in contrast
Image
Late Holocene rupture lengths of Cascadia great earthquakes for the ∼3000-y...
Published: 01 April 2008
are given in Table 4 of the electronic supplement to this article. Rupture terminations appear to occur at three forearc structural uplifts: Nehalem Bank ( NB ), Heceta Bank ( HB ), and Coquille Bank ( CB ). Approximate updip and downdip limits from Clarke and Carver (1992) , Goldfinger et al. (1992
Image
Late Holocene rupture lengths of Cascadia great earthquakes for the ∼3000-y...
Published: 01 April 2008
are given in Table 4 of the electronic supplement to this article. Rupture terminations appear to occur at three forearc structural uplifts: Nehalem Bank ( NB ), Heceta Bank ( HB ), and Coquille Bank ( CB ). Approximate updip and downdip limits from Clarke and Carver (1992) , Goldfinger et al. (1992
Image
Moment magnitude values estimated for full-margin and segmented ruptures of...
Published: 01 November 2010
are based only on the A.D. 1700 event; a preceding interval of ∼200 yr is expected to lead to an earthquake with 8 m slip, 0.64 × 10 29 dyne‑cm moment release, and M w 8.50. Abbreviations: Coquille Bank (CB), Heceta Bank (HB), Nehalem Bank (NB), and the Olympic Peninsula (OP).
Image
Figure 1. Tectonic setting of Cascadia subduction zone (inset) and study ar...
Published: 01 August 2000
) extends between Heceta to Nehalem Bank along the upper slope of the Netarts Embayment. The shelf edge is defined here and in subsequent figures as a topographic break identified on seismic profiles. Bold lines represent seismic profiles illustrated in subsequent figures.
Series: GSA Field Guide
Published: 01 January 2009
DOI: 10.1130/2009.fld015(16)
EISBN: 9780813756158
... over 40 yr). By ca. 12,250 cal. yr B.P., sea level lay at -90 m ( Fairbanks 1989 ). At this time, Heceta Bank had become three small islands and the Alsea, Yachats, and Siuslaw rivers were separated into their own drainage basins. By 11,250 cal. yr B.P., sea level had risen to -70 m below sea level...
Journal Article
Journal: Geology
Published: 01 February 2012
Geology (2012) 40 (2): 103-106.
.... In contrast to M1, we cannot associate a simple morphological pattern on the seafloor with the projected track of M2 through the accretionary complex. M2 is currently located beneath Heceta Bank, where folded Miocene and Pliocene rocks crop out on the seafloor ( Torres et al., 2009 ). Modeling of anomaly G1...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2010
GSA Bulletin (2010) 122 (11-12): 2079-2096.
... for past events (white-filled circles); intervening sites with no data (black circles). (B) Full-margin rupture from the Mendocino fault (MF) in the south to the Nootka fault (NF) in the north. (C, D, E, G) Rupture from Mendocino fault (MF) north to Coquille Bank (CB), Heceta Bank (HB), Nehalem Bank (NB...
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Journal Article
Published: 01 March 2010
Journal of Paleontology (2010) 84 (2): 346-351.
... the middle time slice of the Pridoli Epoch. Tuxekanella has also been identified in a section near the village of Trubchyn on the bank of the River Dnestr (no. 38 in the scheme of Abushik et al., 1985 ). Heceta Formation (upper Llandovery-Ludlow) of Tuxekan Island (Alaska); Skala formation (Pridoli...
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Journal Article
Published: 01 May 2016
Journal of Sedimentary Research (2016) 86 (5): 564-586.
.... 2 ). The AT experienced the Klakas orogeny in the Late Silurian–Early Devonian, which brought Heceta marine carbonate sedimentation to a close ( Gehrels et al. 1983 ; Gehrels and Saleeby 1987a , 1987b ; Bazard et al. 1985; Soja 2008 ; Soja and Krutikov 2008 ). Structural features...
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Journal Article
Published: 01 April 2008
Bulletin of the Seismological Society of America (2008) 98 (2): 861-889.
... are given in Table 4 of the electronic supplement to this article. Rupture terminations appear to occur at three forearc structural uplifts: Nehalem Bank ( NB ), Heceta Bank ( HB ), and Coquille Bank ( CB ). Approximate updip and downdip limits from Clarke and Carver (1992) , Goldfinger et al. (1992...
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Journal Article
Journal: PALAIOS
Published: 01 September 2009
PALAIOS (2009) 24 (9): 603-615.
.... , 1972 , Allochthonous carbonate debris flows at Devonian Bank (‘reef') margins Alberta, Canada : Bulletin of Canadian Petroleum Geology , 20 . 439 – 497 . Davies , G. R. , 1977 , Turbidites, debris sheets, and truncation structures in upper Paleozoic deep-water carbonates of the Sverdrup...
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Journal Article
Published: 01 March 2000
Journal of Sedimentary Research (2000) 70 (2): 310-324.
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2014
GSA Bulletin (2014) 126 (11-12): 1531-1550.
... of the Coast Mountains of west-central British Columbia. In the Prince of Wales Island region of southeastern Alaska, the Craig subterrane consists primarily of Ediacaran and Ordovician to Silurian arc-type magmatic rocks, Silurian carbonate rocks of the Heceta Formation, and Silurian to Devonian terrestrial...
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Series: GSA Special Papers
Published: 01 January 2008
DOI: 10.1130/2008.2436(04)
... (<0.5 m thick) cover the tops of isolated, elliptical banks (10–50 km 2 in area) that rise from the slope to depths of 150–500 m (e.g., Madden Banks). The banks may represent the submarine expression of surface deformation on top of the subduction complex. Carbonate sediments that form thin veneers...
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