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Sawai Bay Formation

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Journal Article
Published: 01 April 2006
Journal of Micropalaeontology (2006) 25 (1): 37-44.
...-diagnostic calcareous nannofossil taxa indicates that the glauconitic mudstones of the Sawai Bay Formation of Nipple Hill and East Coast sections are Late Miocene in age, equivalent to the Discoaster berggrenii Subzone (Subzone CN9A) corresponding to the lower part of the Discoaster quinqueramus Zone (Zone...
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Journal Article
Published: 01 July 1992
Micropaleontology (1992) 38 (3): 209-235.
Journal Article
Journal: GSA Bulletin
Published: 16 November 2019
GSA Bulletin (2019) 131 (5-6): 707-729.
...Rob Witter; Rich Briggs; Simon E. Engelhart; Guy Gelfenbaum; Rich D. Koehler; Alan Nelson; SeanPaul La Selle; Reide Corbett; Kristi Wallace Abstract At the eastern end of the 1957 Andreanof Islands, Alaska, USA, moment magnitude 8.6 earthquake rupture, Driftwood Bay (Umnak Island) and Stardust Bay...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2014
GSA Bulletin (2014) 126 (5-6): 619-638.
... bay turbidites, but also a variety of intertidal and terrestrial tsunamites, seismites, tempestites, and paleosols. Traditional marine turbidite models explain deposition of the Mall Bay, lower Drook, and lower Briscal Formations of the Conception Group, but the Gaskiers, upper Drook, upper Briscal...
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Journal Article
Published: 13 March 2018
Bulletin of the Seismological Society of America (2018) 108 (2): 654-673.
... at the Cascadia subduction zone , Quaternary Res. 65 , 354 – 365 . Nelson A. R. Sawai Y. Jennings A. E. Bradley L.‐A. Gerson L. Sherrod B. L. Sabean J. , and Horton B. P. 2008 . Great‐earthquake paleogeodesy and tsunamis of the past 2000 years at Alsea Bay, central...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2008
GSA Bulletin (2008) 120 (3-4): 463-475.
..., consistent with erosion of the distributary channel and formation of cyclic steps by turbidity currents. Herein we examine the interaction of turbidity currents with the topography of Eel Canyon, offshore northern California, based on a new bathymetric survey of the region. Eel Canyon is morphologically...
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Journal Article
Published: 23 October 2017
Journal of Sedimentary Research (2017) 87 (10): 1075-1099.
... challenge to such analyses is limited exposures in outcrop belts and widely spaced or sparse subsurface datasets. An unprecedented dataset consisting of 600 km 2 of 3-D seismic data and over 1000 well penetrations from the Cretaceous McMurray Formation in northeastern Alberta, Canada, provides a unique...
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Journal Article
Published: 31 July 2018
Journal of Sedimentary Research (2018) 88 (7): 850-872.
... architecture over geologic time? To address this question, we mapped and analyzed over 700 channel belts from a large (70,000 km 2 ) seismic survey of the Mungaroo Formation, Northern Carnarvon Basin, Australia. Following analysis of measurements of channel-belt patterns, we propose that the Mungaroo...
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Journal Article
Published: 11 January 2019
Journal of Foraminiferal Research (2019) 49 (1): 29-47.
... Mississippi Sound (Grand Bay, Pascagoula River, Fowl River, Dauphin Island). A total of 71,833 specimens representing 38 species were identified from a gradient of different elevation zones across the study area. We identified five live assemblages and nine biofacies for the dead assemblages from estuarine...
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Journal Article
Published: 01 June 2012
Bulletin of the Seismological Society of America (2012) 102 (3): 1059-1078.
...David W. Valentine; Edward A. Keller; Gary Carver; Wen‐Hao Li; Christine Manhart; Alexander R. Simms Abstract The southern end of the Cascadia subduction zone ( CSZ ) in northwestern California poses a high seismic hazard. This study uses the Quaternary stratigraphy of the bays and estuaries...
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Series: Geological Society, London, Memoirs
Published: 01 January 2017
EISBN: 9781786203007
... on the west coast of Havelock Island. The formation was first described for the Sawai Bay coastal section on Car Nicobar ( Srinivasan & Sharma 1973 ). It is dated to the late Miocene to early Pliocene ( Srinivasan & Azmi 1976 b ). The same rocks are present in adjacent Chowra Island...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 2001
DOI: 10.5382/GB.34
EISBN: 9781934969878
..., and Akeshi are producing gold. The major gold deposits in Kyushu, typically of the low- sulfidation vein type and locally the high-sulfidation Nansatsu type, occur in extinct or waning geothermal systems of the Pliocene and Pleistocene volcanic areas. The young formation ages relate to the well-preserved...
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Journal Article
Published: 13 May 2019
Journal of Sedimentary Research (2019) 89 (5): 399-415.
... fraction of the McLeod Springs Wash's stratigraphic record, and consist of sub-meter-thick, fining-upward inclined ripple strata floored by intra-formational conglomerate. Their sedimentary record remains non-diagnostic unless morphodynamic analyses based on accretion and paleoflow vectors are integrated...
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Series: Geological Society, London, Memoirs
Published: 01 January 2017
EISBN: 9781786203007
... Miocene–Pliocene Archipelago ( c. 400 m thick) Karunakaran et al. (1968) 5. Jirkatang Limestone 4. Muralat Chalk 3. Melvile/ Guiter Limestone 2. Round Chalk1. Strait Conglomerate andshell-sandstone Srinivasan & Sharma (1973) 5. Malacca Limestone 4. Sawai Bay 3. Long Siltstone 2...
Journal Article
Published: 01 May 2006
Journal of Sedimentary Research (2006) 76 (5): 783-797.
... unrecognized aspects of the "fill and spill" process are revealed: (1) the formation of an internal hydraulic jump as a turbidity current spills into a confined basin, and (2) the detrainment of water across a settling interface forming at the top of the ponded turbidity current downstream of the hydraulic...
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Journal Article
Published: 01 October 2011
Bulletin of the Seismological Society of America (2011) 101 (5): 2064-2087.
...Kelvin Berryman; Yoko Ota; Takahiro Miyauchi; Alan Hull; Kate Clark; Katsuhiko Ishibashi; Nozomi Iso; Nicola Litchfield Abstract The formation and uplift of Holocene marine terraces along a 160-km-long stretch of the Wairarapa coast in the southern Hikurangi subduction margin, North Island, New...
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Series: Geological Society, London, Geology of Series
Published: 01 January 2016
DOI: 10.1144/GOJ.15
EISBN: 9781862397064
... ; Soeda & Nanayama 2005; Sawai et al. 2008a , 2009; Okamura & Matsuoka 2012a, b), and enclosed bay bottoms ( Fujiwara et al. 1997 , 2000; Fujiwara & Kamataki 2007). Tsunami boulders are also recognized on shore ( Goto et al. 2010 ). The distribution of locations of past tsunami...
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Journal Article
Published: 14 April 2015
Bulletin of the Seismological Society of America (2015) 105 (2B): 1280-1289.
... December 2012 (Winter edition), 12 – 13 . Nelson A. R. Sawai Y. Jennings A. E. Bradley L.‐A. Gerson L. Sherrod B. L. Sabean J. Horton B. P. ( 2008 ). Great‐earthquake paleogeodesy and tsunamis of the past 2000 years at Alsea Bay, central Oregon coast, USA , Quat...
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Journal Article
Journal: Geosphere
Published: 01 August 2015
Geosphere (2015) 11 (4): 1172-1203.
.... 218 – 272 . Nelson A.R. Sawai Y. Jennings A.E. Bradley L.-A. Gerson L. Sherrod B.L. Sabean J. Horton B.J. , 2008 , Great-earthquake paleogeodesy and tsunamis of the past 2000 years at Alsea Bay, central Oregon coast, USA : Quaternary Science Reviews , v. 27...
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Journal Article
Published: 01 September 2012
Seismological Research Letters (2012) 83 (5): 759-764.
... on the Sendai plain. Sawai et al. (2007) found clear evidence for deposits from the 869 Jogan tsunami as far as 4 km inland. They also noted that the tsunami from the 1611 Keicho earthquake disrupted agricultural activity there, although that activity disturbed the sedimentary evidence for the tsunami...
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