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Fraser Fault

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Journal Article

The Gang Ranch – Big Bar area, south-central British Columbia: stratigraphy, geochronology, and palynology of the Tertiary beds and their relationship to the Fraser Fault Free

W. H. Mathews, G. E. Rouse
Published: 01 October 1984
Canadian Journal of Earth Sciences (1984) 21 (10): 1132–1144.
DOI: https://doi.org/10.1139/e84-118
... of the first unit with the Kamloops Group of south-central British Columbia, and the palynomorphs from unit (3) indicate equivalence with the Fraser Bend Formation of the Quesnel area.The northwest-trending Fraser Fault transects the area. Eocene and underlying mid-Cretaceous beds are confined to the west side...
Add to Citation Manager for The Gang Ranch – Big Bar area, south-central British Columbia: stratigraphy, geochronology, and palynology of the Tertiary beds and their relationship to the <span class="search-highlight">Fraser</span> <span class="search-highlight">Fault</span>
Journal Article

Electromagnetic constraints on strike-slip fault geometry—The Fraser River fault system Available to Purchase

Alan G. Jones, Ron D. Kurtz, David E. Boerner, James A. Craven, Gary W. McNeice, D. Ian Gough, Jon M. DeLaurier, Rob G. Ellis
Journal: Geology
Published: 01 June 1992
Geology (1992) 20 (6): 561–564.
DOI: https://doi.org/10.1130/0091-7613(1992)020<0561:ECOSSF>2.3.CO;2
...Alan G. Jones; Ron D. Kurtz; David E. Boerner; James A. Craven; Gary W. McNeice; D. Ian Gough; Jon M. DeLaurier; Rob G. Ellis Abstract Magnetotelluric data from four profiles crossing the Eocene strike-slip Fraser River fault in southwestern British Columbia suggest that it penetrates the entire...
View PDF for article title, Electromagnetic constraints on strike-slip <span class="search-highlight">fault</span> geometry—The <span class="search-highlight">Fraser</span> River <span class="search-highlight">fault</span> system
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Journal Article

Crustal seismic velocity and density structure of the Intermontane and Coast belts, southwestern Cordillera Free

George D Spence, Nancy A McLean
Published: 01 December 1998
Canadian Journal of Earth Sciences (1998) 35 (12): 1362–1379.
DOI: https://doi.org/10.1139/e98-070
... fault, where velocities just above the Moho only reach 6.5 km/s, in contrast with 6.8 km/s beneath the western Coast belt and eastern Intermontane belt. This provides support for a subvertical geometry for the Fraser fault, perhaps with a broad zone of diffuse shearing in the lower crust...
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Journal Article

Tectonic development of the Alpine fault zone, New Zealand: A fission-track study Available to Purchase

S. H. White, P. F. Green
Journal: Geology
Published: 01 February 1986
Geology (1986) 14 (2): 124–127.
DOI: https://doi.org/10.1130/0091-7613(1986)14<124:TDOTAF>2.0.CO;2
...S. H. White; P. F. Green Abstract Fission-track dating of zircons from the Alpine fault zone in New Zealand and associated granites and gneisses reveals at least three stages in the development of the present fault zone. Mylonites northwest of the Fraser fault give ages of ∼80 Ma. Zircons from...
View PDF for article title, Tectonic development of the Alpine <span class="search-highlight">fault</span> zone, New Zealand: A fission-track study
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Journal Article

High-resolution temporal and stratigraphic record of Siletzia’s accretion and triple junction migration from nonmarine sedimentary basins in central and western Washington Available to Purchase

Michael P. Eddy, Samuel A. Bowring, Paul J. Umhoefer, Robert B. Miller, Noah M. McLean, Erin E. Donaghy
Journal: GSA Bulletin
Published: 01 March 2016
GSA Bulletin (2016) 128 (3-4): 425–441.
DOI: https://doi.org/10.1130/B31335.1
... erosion during accretion of the Siletzia terrane between 51.3 and 49.9 Ma. Immediately following accretion, dextral strike-slip faulting began, or accelerated, on the Darrington–Devil’s Mountain, Entiat, Leavenworth, Eagle Creek, and Straight Creek–Fraser fault zones between 50 and 46 Ma. During this time...
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View PDF for article title, High-resolution temporal and stratigraphic record of Siletzia’s accretion and triple junction migration from nonmarine sedimentary basins in central and western Washington
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Journal Article

Possible pre-Cenozoic left-lateral slip on the Yalakom fault, southwestern British Columbia Available to Purchase

Martin G. Miller
Journal: Geology
Published: 01 July 1988
Geology (1988) 16 (7): 584–587.
DOI: https://doi.org/10.1130/0091-7613(1988)016<0584:PPCLLS>2.3.CO;2
...Martin G. Miller Abstract The Yalakom fault strikes northwest for nearly 250 km in southern British Columbia. Immediately north of the town of Lillooet, between the Yalakom and Fraser faults, structures within Jurassic and Cretaceous clastic rocks suggest that the Yalakom fault had a history...
View PDF for article title, Possible pre-Cenozoic left-lateral slip on the Yalakom <span class="search-highlight">fault</span>, southwestern British Columbia
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Journal Article

Nd–Sr isotopic constraints on the interactions of the Intermontane Superterrane with the western edge of North America in the southern Canadian Cordillera Free

Dipak K. Ghosh
Published: 01 October 1995
Canadian Journal of Earth Sciences (1995) 32 (10): 1740–1758.
DOI: https://doi.org/10.1139/e95-136
...Dipak K. Ghosh Abstract Sr and Nd isotopic compositions of the late Paleozoic metavolcanics and Late Triassic to early Tertiary granitoids from four magmatic episodes in the southern Canadian Cordillera from the Kootenay Arc to the Fraser Fault have been used to ( i ) identify the sources...
Add to Citation Manager for Nd–Sr isotopic constraints on the interactions of the Intermontane Superterrane with the western edge of North America in the southern Canadian Cordillera
Journal Article

The Hozameen fault system and related Coquihalla serpentine belt of southwestern British Columbia Free

G. E. Ray
Published: 01 July 1986
Canadian Journal of Earth Sciences (1986) 23 (7): 1022–1041.
DOI: https://doi.org/10.1139/e86-103
... transcurrent displacement, possibly related to movement along the Fraser Fault system, occurred subsequently along the Petch Creek and Hozameen faults. This wrench movement was preceded by the Mid-Eocene (?) intrusion of the Needle Peak pluton and was followed by emplacement of the 16–35 Ma Chilliwack...
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Journal Article

Interpretation of structures in the southeastern Nechako Basin, British Columbia, from seismic reflection, well log, and potential field data 1 This article is one of a series of papers published in this Special Issue on the theme of New insights in Cordilleran Intermontane geoscience: reducing exploration risk in the mountain pine beetle-affected area, British Columbia . 2 Geological Survey of Canada Contribution 20100002. Available to Purchase

Nathan Hayward, Andrew J. Calvert
Published: 30 June 2011
Canadian Journal of Earth Sciences (2011) 48 (6): 1000–1020.
DOI: https://doi.org/10.1139/e11-022
... by the north-trending right-lateral Fraser fault, reactivated and cut earlier structures. A simple model agrees with local observations, that northeast-directed compression was subparallel to the relic Cretaceous grain. Cretaceous rocks are discontinuous throughout the basin and may be remnants of a broader...
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View PDF for article title, Interpretation of structures in the southeastern Nechako Basin, British Columbia, from seismic reflection, well log, and potential field data 1 This article is one of a series of papers published in this Special Issue on the theme of New insights in Cordilleran Intermontane geoscience: reducing exploration risk in the mountain pine beetle-affected area, British Columbia . 2 Geological Survey of Canada Contribution 20100002.
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Add to Citation Manager for Interpretation of structures in the southeastern Nechako Basin, British Columbia, from seismic reflection, well log, and potential field data 1 This article is one of a series of papers published in this Special Issue on the theme of New insights in Cordilleran Intermontane geoscience: reducing exploration risk in the mountain pine beetle-affected area, British Columbia . 2 Geological Survey of Canada Contribution 20100002.
Journal Article

Eocene sedimentation and volcanism in the Fig Lake Graben, southwestern British Columbia Free

Derek J. Thorkelson
Published: 01 July 1989
Canadian Journal of Earth Sciences (1989) 26 (7): 1368–1373.
DOI: https://doi.org/10.1139/e89-116
...Derek J. Thorkelson Abstract The Fig Lake Graben is a narrow, complex Eocene basin that developed along part of the Coldwater fault system in southwestern British Columbia. Its origin as a pull-apart basin is probably related to dextral wrench faulting along the Fraser Fault and low-angle normal...
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Journal Article

Revised stratigraphic nomenclature and age determinations for mid-Cretaceous volcanic rocks in southwestern British Columbia Free

Derek J. Thorkelson, Glenn E. Rouse
Published: 01 October 1989
Canadian Journal of Earth Sciences (1989) 26 (10): 2016–2031.
DOI: https://doi.org/10.1139/e89-170
...Derek J. Thorkelson; Glenn E. Rouse Abstract Mid-Cretaceous volcanic and volcaniclastic rocks in southwestern British Columbia, east of the Fraser Fault System, constitute two principal lithostratigraphic units. The lower unit, a composite succession of basaltic to rhyolitic lavas and various...
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Journal Article

Age of the Late Cretaceous Ultramafic-Hosted Giant Mascot Ni-Cu-PGE Deposit, Southern Canadian Cordillera: Integrating CA-ID-TIMS and LA-ICP-MS U-Pb Geochronology and Trace Element Geochemistry of Zircon Available to Purchase

Matthew J. Manor, James S. Scoates, Corey J. Wall, Graham T. Nixon, Richard M. Friedman, Marghalery Amini, Doreen E. Ames
Journal: Economic Geology
Published: 01 September 2017
Economic Geology (2017) 112 (6): 1395–1418.
DOI: https://doi.org/10.5382/econgeo.2017.4514
... (Washington state, British Columbia, Alaska). The Giant Mascot and Spuzzum intrusions are correlated with the 96 Ma Big Jim peridotite and nearby 96 to 91 Ma Mt. Stuart batholith in Washington state confirming ~170 km of dextral displacement along the Straight Creek-Fraser fault system. Direct dating...
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View PDF for article title, Age of the Late Cretaceous Ultramafic-Hosted Giant Mascot Ni-Cu-PGE Deposit, Southern Canadian Cordillera: Integrating CA-ID-TIMS and LA-ICP-MS U-Pb Geochronology and Trace Element Geochemistry of Zircon
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Journal Article

Magnetotelluric soundings, structure, and fluids in the southern Canadian Cordillera Free

D. Ian Gough, Jacek A. Majorowicz
Published: 01 April 1992
Canadian Journal of Earth Sciences (1992) 29 (4): 609–620.
DOI: https://doi.org/10.1139/e92-053
... have higher fracture densities. Sections and phase maps indicate that granitoid plutons continue from the Coast Plutonic Complex, under a thin layer of basalt, across the southwestern half of the Intermontane Belt. Near the centre of the Intermontane Belt, in line with the Fraser fault system, highly...
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Image
Fig. 8.

Bouguer gravity anomaly map. Thin black lines show some of the major faults... Available to Purchase

Published: 04 September 2013
Fig. 8. Bouguer gravity anomaly map. Thin black lines show some of the major faults in the study area; abbreviations are listed in Table 1 . The location of lines 1 and 2, along which gravity modelling was carried out, and reflection lines 88-13, -14, and -17 are indicated. FF, Fraser fault; FR
Image
Fig. 1.

Terrane map of the British Columbian Cordillera, showing the location of th... Available to Purchase

Published: 16 November 2015
Fig. 1. Terrane map of the British Columbian Cordillera, showing the location of the Newton Au deposit in the southern Stikinia terrane. Modified from Nelson and Colpron (2007) . FF, Fraser fault; YF, Yalakom fault. [Colour figure available online.]
Image
Map showing the relative positions of the formations that compose the Swauk basin with restoration of 125 km of dextral offset on the Straight Creek–Fraser fault. The positions of the Northwest Cascades thrust system (NWCTS), western and eastern mélange belts (WEMB), Leech River Schist (LRS), and Siletzia are also shown. DDMFZ—Darrington–Devil’s Mountain fault zone.

Map showing the relative positions of the formations that compose the Swauk... Available to Purchase

Published: 01 March 2016
Figure 7. Map showing the relative positions of the formations that compose the Swauk basin with restoration of 125 km of dextral offset on the Straight Creek–Fraser fault. The positions of the Northwest Cascades thrust system (NWCTS), western and eastern mélange belts (WEMB), Leech River Schist
Image
Fig. 1.

Regional geologic map of the southern Canadian Cordillera, showing the dist... Available to Purchase

Published: 22 June 2011
Fig. 1. Regional geologic map of the southern Canadian Cordillera, showing the distribution of terranes and major structural features: YF, Yalakom fault; F-SCF, Straight Creek – Fraser fault system; PF, Pasayten fault; HF, Hozameen fault; RLF, Ross Lake fault. The blue star shows the location
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Cartoon maps showing our proposed tectonic evolution of Washington and surrounding area (dashed line denotes modern coastline) ca. 60–45 Ma as described in the text. Abbreviations: DDMFZ—Darrington–Devil’s Mountain fault zone, EF—Entiat fault, LFZ—Leavenworth fault zone, and SCF—Straight Creek–Fraser fault. Stars denote the location of Paleogene adakites, peraluminous granites, bimodal volcanism, and other near-trench magmatism. The basaltic Yakutat terrane is shown emplaced adjacent to Siletzia (e.g., Wells et al., 2014), prior to its northward transport and modern collision with southern Alaska.

Cartoon maps showing our proposed tectonic evolution of Washington and surr... Available to Purchase

Published: 01 March 2016
—Straight Creek–Fraser fault. Stars denote the location of Paleogene adakites, peraluminous granites, bimodal volcanism, and other near-trench magmatism. The basaltic Yakutat terrane is shown emplaced adjacent to Siletzia (e.g., Wells et al., 2014 ), prior to its northward transport and modern collision
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Generalized map of Mesozoic and Paleogene western North American Cordilleran arc plutons and metamorphic core complexes. Inset emphasizes distribution of metamorphic rocks (purple) and plutons (orange) in the Cascades core and southern Coast belt. The Coast belt thrust system (CBTS), eastern Cascades fold belt (ECFB), northwest Cascades thrust system (NWCS), and reverse shear zones in the Cascades core are also shown. The dextral Straight Creek–Fraser fault (SCF) displaces the Cascades core from the main part of the Coast belt. The Entiat fault, Pasayten fault, and Ross Lake fault zone (RLF) are also major high-angle faults. The Cascades core is divided by the Entiat fault into the Chelan and Wenatchee blocks, which have different thermal histories.

Generalized map of Mesozoic and Paleogene western North American Cordillera... Open Access

Published: 01 June 2016
), eastern Cascades fold belt (ECFB), northwest Cascades thrust system (NWCS), and reverse shear zones in the Cascades core are also shown. The dextral Straight Creek–Fraser fault (SCF) displaces the Cascades core from the main part of the Coast belt. The Entiat fault, Pasayten fault, and Ross Lake fault
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(A) Simplified map of the North American Cordillera showing the location of the batholith belts, including the Coast plutonic complex–North Cascade Range, and the inboard interior belts, the Omineca-Sevier belt (after Whitney et al., 2004). (B) Geologic map of the North Cascades, showing the location of the Skagit Gneiss and other tectonic elements of the orogen and adjacent terrains (after Miller et al., 2006). The box represents the location of the map in Figure 2. Line A to A′ represents the cross section shown in Figure 3. RLFZ—Ross Lake fault zone; ECFB—East Cascades fold belt; FF—Fraser fault.

(A) Simplified map of the North American Cordillera showing the location of... Available to Purchase

Published: 01 July 2010
fold belt; FF—Fraser fault.