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Puget Group

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Journal Article
Journal: Geology
Published: 01 September 1983
Geology (1983) 11 (9): 527-531.
...Donald L. Turner; Virgil A. Frizzell; Don M. Triplehorn; Charles W. Naeser Abstract New 40 K- 40 Ar and fission-track ages from volcanic ash partings in coal beds of the Eocene Puget Group of western Washington indicate a time span of about 41.2 ± 1.8 to 45.0 ± 2.1 (2σ) m.y. for the 1,890-m section...
Series: GSA Special Papers
Published: 01 January 1981
DOI: 10.1130/SPE184-p49
... Palynologie data have been obtained from 30 localities in the Swauk, Naches, and Roslyn Formations of central Washington and in the Puget Group of western Washington. Although the Swauk Formation previously has been assigned ages as old as Paleocene or Cretaceous, palynologie results show...
Journal Article
Journal: GSA Bulletin
Published: 01 July 2012
GSA Bulletin (2012) 124 (7-8): 1324-1338.
... Kruesel and Mike Valentine for field assistance and support, and the Hancock Timber Group and Weyerhaeuser Corporation for permission to sample on their lands. Partial funding for this project was provided by a University of Puget Sound McCormick Fellowship to Chan. The Pb isotope analyses were funded...
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Journal Article
Published: 13 May 2019
Journal of Sedimentary Research (2019) 89 (5): 416-439.
... fossils, where present. Pedotypes were delineated using a combination of observed sedimentologic and pedogenic features from descriptions of individual paleosol profiles ( sensu Retallack 1994 ). Trace fossils were grouped as morphotypes based on surficial and architectural morphology, tiering...
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Series: GSA Field Guides
Published: 01 January 2017
DOI: 10.1130/2017.0049(01)
EISBN: 9780813756493
... deformation is dominated by far-field effects of the Pacific North America transform plate boundary. ABSTRACT Seattle’s geologic record begins with Eocene deposition of fluvial arkosic sandstone and associated volcanic rocks of the Puget Group, perhaps during a time of regional strike-slip faulting...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2014
GSA Bulletin (2014) 126 (1-2): 122-144.
... elements) and isotopic (Sr, Nd, Pb, O) compositions of Mount Rainier andesites and dacites are consistent with modest assimilation (typically ≤20 wt%) of evolved sediment or sediment partial melt. Sandstones and shales of the Eocene Puget Group, derived from the continental interior, are exposed...
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Journal Article
Journal: GSA Bulletin
Published: 01 February 1992
GSA Bulletin (1992) 104 (2): 140-153.
... of the Olympic Mountains and coeval autochthonous sandstones from coastal Pacific Northwest shows that the Needles-Gray Wolf and Grand Valley lithic assemblages of the core came from the same source as sandstones of the Chuckanut Formation and Puget Group in northern Washington. The source of these units...
Journal Article
Journal: GSA Bulletin
Published: 01 September 1961
GSA Bulletin (1961) 72 (9): 1395-1407.
.... This series is lithologically divisible into lower, middle, and upper parts. The sedimentary rocks are lithologically similar to those in the Puget group, and the volcanic rocks to those in the Keechelus andesitic series, but correlations are uncertain. New formational names are not warranted without more...
Journal Article
Journal: Lithosphere
Published: 17 October 2018
Lithosphere (2018) 10 (6): 792-805.
... Berkelhammer for assistance in the field. Eddy is indebted to S. Bowring for support and encouragement during the early parts of this project. We also acknowledge the Fall 2010 Igneous Petrology class at the University of Puget Sound (Tacoma, Washington) for the data they collected; this study began...
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Journal Article
Published: 01 July 2013
Journal of Foraminiferal Research (2013) 43 (3): 291-304.
... of Puget Sound : Puget Sound Books , Seattle , 101 p. Buzas M. A. , 1966 , Discrimination of morphological groups of Elphidium (foraminifer) in Long Island Sound through Canonical Analysis and Invariant Characters : Journal of Paleontology , v. 40 , p. 585 – 594 . Buzas-Stephens P...
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Journal Article
Journal: GSA Bulletin
Published: 01 April 1981
GSA Bulletin (1981) 92 (4): 170-178.
...E. H. BROWN; M. L. BERNARDI; B. W. CHRISTENSON; J. R. CRUVER; R. A. HAUGERUD; P. M. RADY; J. N. SONDERGAARD Abstract Metamorphic assemblages in pre-Tertiary rocks of northwestern Washington can be grouped into eight facies types which represent recrystallization under widely diverse P-T conditions...
Journal Article
Published: 01 October 1972
Bulletin of the Seismological Society of America (1972) 62 (5): 1133-1171.
...Robert S. Crosson Abstract The Puget Sound region of Washington lies along the tectonically active margin of western North America, a region which is important to the understanding of large scale plate interactions in the eastern Pacific. A six-station high-sensitivity telemetry network has been...
Journal Article
Published: 01 October 2005
Bulletin of the Seismological Society of America (2005) 95 (5): 1880-1902.
... ( Preston et al. , 2003 ), and the 2001 Nisqually earthquake probably occurred within the Juan de Fuca plate crust (K. Creager, University of Washington, written comm., 2004). Furthermore, Preston et al. ( 2003 ) suggest that intraslab earthquakes beneath the Puget Sound can be separated into two groups...
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Journal Article
Published: 01 August 1987
Bulletin of the Seismological Society of America (1987) 77 (4): 1091-1109.
... of the northern Puget Sound-Southern Vancouver Island region , in Earthquake Hazards of the Puget Sound Region, Washington , U.S. Geol. Surv. , Open-File Rept. OF 83-19 . University of Washington Geophysics Group (1984) . Quarterly network Report 84-B on Seismicity of Washington and Northern...
Journal Article
Journal: GSA Bulletin
Published: 01 October 2001
GSA Bulletin (2001) 113 (10): 1299-1311.
... and foraminifera, expressed as number of fossils per 20 cc (cc = cm 3 ) of sediment. (Bottom) Relative abundance of fossil diatoms grouped according to stratigraphic succession Figure 1. Index maps. (A) Regional setting. (B) Puget Sound and locations of major geologic structures. Fault locations...
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Journal Article
Journal: Geosphere
Published: 01 August 2014
Geosphere (2014) 10 (4): 769-796.
.... Parsons T. Blakely R.J. Christensen N.I. Fisher M.A. Wells R.E. the SHIPS working group , 2001 , Upper crustal structure in Puget Lowland, Washington: Results from the 1998 seismic hazard investigation in Puget Sound : Journal of Geophysical Research , v. 106 , no. B7 , p. 13,541...
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Journal Article
Published: 01 April 2006
Bulletin of the Seismological Society of America (2006) 96 (2): 536-552.
.... Christensen , M. A. Fisher , and R. E. Wells , and SHIPS Working Group ( 2001 ). Upper crustal structure in Puget Lowland, Washington: Results from the 1998 Seismic Hazards Investigation in Puget Sound , J. Geophys. Res. 106 , 13,541 – 13,564 . Brocher , T. M. , T. Parsons...
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Journal Article
Published: 01 October 2004
Bulletin of the Seismological Society of America (2004) 94 (5): 1670-1689.
... Washington and British Columbia , U.S. Geol. Surv. Open-File Rept. 99-314 , 110 pp. Brocher , T. M. , T. Parsons , R. J. Blakely , N. I. Christensen , M. A. Fisher , R. E. Wells , and SHIPS Working Group ( 2001 ). Upper crustal structure in Puget Lowland, Washington...
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Journal Article
Journal: Geology
Published: 01 June 2004
Geology (2004) 32 (6): 469-472.
.... , Blakely , R.J. , Christensen , N.I. , Fisher , M.A. , and Wells , R.E. , and the SHIPS Working Group , 2001 , Upper crustal structure in Puget Lowland, Washington: Results from the 1998 seismic hazard investigation in Puget Sound : Journal of Geophysical Research , v. 106 p. 13541...
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Journal Article
Journal: Geology
Published: 01 June 2004
Geology (2004) 32 (6): 505-508.
...Derek B. Booth; Kathy Goetz Troost; Jonathan T. Hagstrum Abstract Folded Quaternary deposits across the south-central Puget Lowland, an area just south of the Seattle fault that extends across the Seattle uplift and its boundary with the adjacent Tacoma basin, provide increased resolution...
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