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southeastern Alaska

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Series: Economic Geology Monograph Series
Publisher: Economic Geology Publishing Company
Published: 01 January 1997
DOI: 10.5382/Mono.09.12
EISBN: 9781629490045
... Abstract Subeconomic molybdenum-bearing prophyry deposits and occurrences are scattered widely throughout mainland and southeastern Alaska. Most deposits in mainland Alaska are copper-molybdenum porphyries of probable calc-alkaline arc-related origins. These include Devonian examples...
Journal Article
Published: 01 May 1992
Canadian Journal of Earth Sciences (1992) 29 (5): 865–878.
...Lance D. Miller; Christopher C. Barton; Rick S. Fredericksen; Jason R. Bressler Abstract The Alaska Juneau lode gold deposit is hosted by a series of polydeformed Permian to Late Triassic volcanic, pelitic, volcaniclastic, and mafic intrusive rocks. Rocks in the mine area have been sheared...
Journal Article
Journal: Geosphere
Published: 08 November 2021
Geosphere (2021) 17 (6): 1590–1615.
...James F. Baichtal; Alia J. Lesnek; Risa J. Carlson; Nicholas S. Schmuck; Jane L. Smith; Dennis J. Landwehr; Jason P. Briner Abstract We leverage a data set of >720 shell-bearing marine deposits throughout southeastern Alaska (USA) to develop updated relative sea-level curves that span the past...
FIGURES
First thumbnail for: Late Pleistocene and early Holocene sea-level hist...
Second thumbnail for: Late Pleistocene and early Holocene sea-level hist...
Third thumbnail for: Late Pleistocene and early Holocene sea-level hist...
Series: Geological Society, London, Special Publications
Published: 30 September 2019
DOI: 10.1144/SP477.30
EISBN: 9781786203861
... Abstract The Queen Charlotte Fault defines the Pacific–North America transform plate boundary in western Canada and southeastern Alaska for c. 900 km. The entire length of the fault is submerged along a continental margin dominated by Quaternary glacial processes, yet the geomorphology along...
Journal Article
Journal: Geosphere
Published: 01 February 2015
Geosphere (2015) 11 (1): 201.
Journal Article
Journal: Geosphere
Published: 01 December 2014
Geosphere (2014) 10 (6): 1161–1176.
... Alaska and a smaller scale identical to the P-wave data. Our data confirm that the southeastern Alaska subduction zone extends from the eastern end of the Aleutian Trench an additional 300 km to the Fairweather–Queen Charlotte fault system. We also locate the boundary between the Yakutat Block and North...
FIGURES
First thumbnail for: Subduction geometry of the Yakutat terrane, <span ...
Second thumbnail for: Subduction geometry of the Yakutat terrane, <span ...
Third thumbnail for: Subduction geometry of the Yakutat terrane, <span ...
Journal Article
Journal: Economic Geology
Published: 01 May 2014
Economic Geology (2014) 109 (3): 643–659.
...Joyashish Thakurta; Edward M. Ripley; Chusi Li Abstract The Duke Island Ultramafic Complex in southeastern Alaska is a Ural-Alaskan–type complex that hosts sulfide-rich horizons primarily in the olivine clinopyroxenite unit. Although placer deposits hosting platinum group elements (PGEs) have been...
FIGURES
First thumbnail for: Platinum Group Element Geochemistry of Sulfide-Ric...
Second thumbnail for: Platinum Group Element Geochemistry of Sulfide-Ric...
Third thumbnail for: Platinum Group Element Geochemistry of Sulfide-Ric...
Journal Article
Published: 22 January 2013
Canadian Journal of Earth Sciences (2013) 50 (6): 678–691.
... terranes, underlies most of southeastern Alaska as well as parts of British Columbia and the Yukon ( Fig. 1 ). The Insular composite terrane is composed mainly of the Wrangellia and the Alexander terrane, both considered to be exotic to the North American Cordillera ( Fig. 2 a ; e.g., Colpron and Nelson...
Journal Article
Published: 01 August 2012
Bulletin of the Seismological Society of America (2012) 102 (4): 1820–1828.
...Christian R. Escudero; Diane I. Doser Abstract We use the relative source–time function ( RSTF ) method to estimate the source properties of earthquakes within southeastern Alaska–northwestern Canada in an effort to determine if there are systematic variations in the source parameters...
FIGURES
First thumbnail for: Relative Source–Time Function Studies and Stress D...
Second thumbnail for: Relative Source–Time Function Studies and Stress D...
Third thumbnail for: Relative Source–Time Function Studies and Stress D...
Journal Article
Journal: Economic Geology
Published: 01 May 2011
Economic Geology (2011) 106 (3): 524–525.
Journal Article
Journal: GSA Bulletin
Published: 01 July 2010
GSA Bulletin (2010) 122 (7-8): 1067–1080.
... and calculate the sediment flux from high-resolution, seismic-reflection profiles of the fjord basin fill with a high degree of certainty. Our data document the glacial cycle in a temperate southeastern Alaska fjord. During the LGM, the Glacier Bay sector of the Alaskan Cordilleran Ice Sheet advanced onto...
FIGURES
First thumbnail for: Fjords as temporary sediment traps: History of gla...
Second thumbnail for: Fjords as temporary sediment traps: History of gla...
Third thumbnail for: Fjords as temporary sediment traps: History of gla...
... The Coast orogen of western coastal British Columbia and southeastern Alaska is one of the largest batholithic belts in the world. This paper addresses the structure and composition of the crust in the central part of this orogen, as well as the history of its development since the mid...
Journal Article
Published: 01 January 2008
Journal of Paleontology (2008) 82 (1): 91–101.
...J. KEITH RIGBY; DAVID M. ROHR; ROBERT B. BLODGETT; BROOKS B. BRITT Abstract A small faunule of hypercalcified agelasiid demosponges has been recovered from outcrops of the Silurian Heceta Formation on Prince of Wales Island in southeastern Alaska. Included are abundant Girtyocoeliana epiporata...
FIGURES
First thumbnail for: SILURIAN SPONGES AND SOME ASSOCIATED FOSSILS FROM ...
Second thumbnail for: SILURIAN SPONGES AND SOME ASSOCIATED FOSSILS FROM ...
Third thumbnail for: SILURIAN SPONGES AND SOME ASSOCIATED FOSSILS FROM ...
Journal Article
Journal: Economic Geology
Published: 01 January 2008
Economic Geology (2008) 103 (1): 89–115.
...Cliff D. Taylor; Wayne R. Premo; Alan L. Meier; Joseph E. Taggart, Jr. Abstract A belt of unusual volcanogenic massive sulfide (VMS) occurrences is located along the eastern margin of the Alexander terrane throughout southeastern Alaska and northwestern British Columbia and exhibits a range...
FIGURES
First thumbnail for: The Metallogeny of Late Triassic Rifting of the Al...
Second thumbnail for: The Metallogeny of Late Triassic Rifting of the Al...
Third thumbnail for: The Metallogeny of Late Triassic Rifting of the Al...
Journal Article
Published: 13 April 2007
Canadian Journal of Earth Sciences (2007) 44 (2): 229–244.
...P.E. Carrara; T.A. Ager; J.F. Baichtal Abstract The interpretation of the extent of late Wisconsin glaciation in southeastern Alaska has varied between geologists and biologists. Maps and reports of the region prepared by geologists commonly indicated that late Wisconsin ice extended as a large...
FIGURES
First thumbnail for: Possible refugia in the Alexander Archipelago of <...
Second thumbnail for: Possible refugia in the Alexander Archipelago of <...
Third thumbnail for: Possible refugia in the Alexander Archipelago of <...
Journal Article
Published: 01 September 2005
Journal of Paleontology (2005) 79 (5): 862–870.
...J. KEITH RIGBY; SUSAN M. KARL; ROBERT B. BLODGETT; JAMES F. BAICHTAL Abstract A faunule of silicified hypercalcified “sphinctozoan” sponges has been recovered from a clast of Upper Ordovician limestone out of the Early Devonian Karheen Formation on Prince of Wales Island in southeastern Alaska...
FIGURES
First thumbnail for: ORDOVICIAN “SPHINCTOZOAN” SPONGES FROM PRINCE OF W...
Second thumbnail for: ORDOVICIAN “SPHINCTOZOAN” SPONGES FROM PRINCE OF W...
Third thumbnail for: ORDOVICIAN “SPHINCTOZOAN” SPONGES FROM PRINCE OF W...
Journal Article
Published: 27 January 2004
Canadian Journal of Earth Sciences (2004) 41 (1): 87–102.
...Glen R. Himmelberg; Peter J. Haeussler; David A. Brew Abstract In southeastern Alaska, granodiorite–tonalite plutons of the Admiralty–Revillagigedo belt intruded the Jurassic–Cretaceous Gravina belt along the eastern side of the Alexander terrane around 90 Ma. These plutons postdate some...
FIGURES
First thumbnail for: Emplacement, rapid burial, and exhumation of 90-Ma...
Second thumbnail for: Emplacement, rapid burial, and exhumation of 90-Ma...
Third thumbnail for: Emplacement, rapid burial, and exhumation of 90-Ma...
Series: Geological Society, London, Special Publications
Published: 01 January 2002
DOI: 10.1144/GSL.SP.2002.203.01.11
EISBN: 9781862394513
... exacting CIC (constant initial concentration) and CRS (constant rate of supply or constant flux) point transformations. These methods are used for developing chronologies of cores collected in 1995 in Icy Bay, Alaska at 4, 12, and 32 km from the tidewater terminus of the Guyot Glacier. Examples are given...
Journal Article
Published: 18 September 2001
Canadian Journal of Earth Sciences (2001) 38 (9): 1367–1384.
... . Brew D.A. Ford A.B. 1981 . The Coast plutonic complex sill, southeastern Alaska . In The U.S. Geological Survey in Alaska: accomplishments during 1980 . Edited by Albert N.R.D. Hudson T.L. . U.S. Geological Survey, pp.  B96 – B98 . Brown E.H. Burmester R.F. 1991...
FIGURES
First thumbnail for: Paleomagnetism of the Quottoon plutonic complex in...
Second thumbnail for: Paleomagnetism of the Quottoon plutonic complex in...
Third thumbnail for: Paleomagnetism of the Quottoon plutonic complex in...