1-20 OF 26 RESULTS FOR

Hurwall Formation

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Journal: GSA Bulletin
Published: 01 December 1992
GSA Bulletin (1992) 104 (12): 1561–1576.
... Limestone. Two distinctive conglomerates (Excelsior Gulch and Deadman Lake units) in the conformably overlying Hurwal Formation represent discrete sedimentary responses to Late Triassic tectonism within the Wallowa terrane. Clasts in the Excelsior Gulch conglomerate establish a provenance linkage with rocks...
Series: GSA Special Papers
Published: 01 July 2008
DOI: 10.1130/2008.442(12)
...-Norian to Jurassic Hurwal Formation. At the type locality in the southern Wallowa Mountains, dysaerobic shales, carbonate debris sheets, and turbiditic sediments indicate distal slope and basinal environments while other facies at other sites in the Wallowa Mountains and Hells Canyon areas indicate reef...
FIGURES | View All (20)
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0041(07)
EISBN: 9780813756417
..., with associated shelf and upper-slope facies, and overlying and partly contemporaneous siliciclastic, limestone, and calcareous phyllitic rocks of the Late Triassic and Early Jurassic Hurwal Formation. Younger rocks are a subaerial Early Jurassic volcanic and sedimentary rock unit of the informally named Hammer...
FIGURES | View All (22)
Journal Article
Published: 01 September 1988
Canadian Journal of Earth Sciences (1988) 25 (9): 1503–1523.
... are not presently known. Reference sections former illustrating the faunal associations that characterize all the zones are designated in western Nevada (the Sunrise Formation), northeastern Oregon (the Hurwal Formation), and northern British Columbia (the Spatsizi Group and Takwahoni Formation).The Polymorphitidae...
Image
A  Location map of the Black Marble Quarry (45°22′24″N, 117°21′14″W, 1780 m...
Published: 01 January 2015
columns, left sides). Hwl , Hurwal Formation; Si , silicified beds; F, fault.
Image
A  Location map of the Black Marble Quarry (45°22′24″N, 117°21′14″W, 1780 m...
Published: 01 January 2015
columns, left sides). Hwl , Hurwal Formation; Si , silicified beds; F, fault.
Series: GSA Field Guide
Published: 01 January 2011
DOI: 10.1130/2011.0021(03)
EISBN: 9780813756219
..., 1994 ; LaMaskin et al., 2008a ; Schmidt et al., 2009 ). In other parts of the Wallowa terrane, the Late Triassic (Carnian-Norian) Martin Bridge Limestone and Late Triassic to Early Jurassic (Norian-Toarcian) Hurwal Formation overlie the Doyle Creek Formation, but these units are absent at Pittsburg...
FIGURES | View All (14)
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1945
AAPG Bulletin (1945) 29 (10): 1377–1415.
... associated rocks—metamorphism UPPER TRIASSIC Hurwal formation Metamorphosed shales, limestones and lenses of limestone. Upper Triassic fossils. 0-2,000 feet thick Martin Bridge formation Metamorphosed limestone. 200-2,000 feet thick Lower sedimentary series Shale, calcareous shale, argillaceous...
FIGURES
Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2410(23)
... volcaniclastic (Lower Sedimentary Series), and sedimentary rocks (Martin Bridge Limestone, Hurwal Formation) are thrust under Permian and Triassic metavolcanic rocks (Clover Creek Greenstone) along the D 3 thrust that separates the two groups (Fig. 8A and B) . Ferns and Brooks (1995) show a similar inverted...
FIGURES | View All (13)
Journal Article
Journal: PALAIOS
Published: 01 December 2011
PALAIOS (2011) 26 (12): 779–789.
... includes Tethyan-type reefs in the Summit Point member (Summit Point reefs; Stanley and Senowbari-Daryan, 1986 ; Stanley et al., 2008 ). The Martin Bridge Formation grades both laterally and upward into deep-marine clastic rocks of the Upper Triassic–Lower Jurassic (Norian–Pliensbachian) Hurwal Formation...
FIGURES | View All (7)
Journal Article
Published: 12 March 2013
Canadian Journal of Earth Sciences (2013) 50 (2): 142–147.
... Norian Aksala Formation Hancock Member Black, fine-grained limestone Stikine terrane Reid 1985 ; Yarnell 2000 ; Yancey and Stanley 1999 Northeastern Oregon, US W. raylenea Mid-Norian Hurwal Formation Black, fine-grained limestone Wallowa terrane Yancey and Stanley 1999 Sonora...
FIGURES | View All (5)
Journal Article
Journal: GSA Bulletin
Published: 01 May 2005
GSA Bulletin (2005) 117 (5-6): 687–706.
... Formation ( Ross, 1938 ; Follo, 1986 ) that passes laterally into and is overlain by siliciclastic and carbonate rocks of the Upper Triassic to Lower Jurassic Hurwal Formation ( Glerup, 1960 ; Nolf, 1966 ). In Hells Canyon of the Snake River, Middle and Upper Jurassic clastic rocks of the Coon Hollow...
FIGURES | View All (11)
Journal Article
Published: 01 September 2013
Journal of Paleontology (2013) 87 (5): 934–964.
.... M. grandissima (Frech), and Oppelismilia cf. O. zitteli (Frech). The Lapwai Quarry at a site referred to as Lewiston, Idaho ( Squires, 1956 ; Stanley, 1979 , 1986 ) exposes a silicified Norian coral fauna in strata correlative with the Martin Bridge and Hurwal formations...
FIGURES | View All (11)
Journal Article
Journal: AAPG Bulletin
Published: 01 May 1958
AAPG Bulletin (1958) 42 (5): 1047–1063.
... time limits such as system , series , and stage . Holostrome and hiatus are analogous to formation in lithostratigraphy and zonule in biostratigraphy. Neither era-period-epoch-age, nor system-series-stage, have strict analogies in lithostratigraphy or biostratigraphy. Laterally contiguous time...
FIGURES | View All (7)
Journal Article
Published: 01 December 2008
Journal of Sedimentary Research (2008) 78 (12): 765–783.
... diachronous, upward-deepening transition by the Hurwal Formation (Upper Triassic to Lower Jurassic). The Hurwal Formation consists of marine turbidites and calcareous shale with locally abundant carbonate- and chert-clast conglomerate (Excelsior Gulch unit; Follo 1992 , 1994 ). These deposits record slope...
FIGURES | View All (10)
Journal Article
Journal: GSA Bulletin
Published: 01 March 2010
GSA Bulletin (2010) 122 (3-4): 517–536.
... plutonic rocks range in age from ca. 264 to 225 Ma ( Walker, 1986 , 1995 ). Upper Triassic massive and thin-bedded limestone (i.e., Martin Bridge Limestone) and an Upper Triassic to Lower Jurassic clastic sequence (Hurwal Formation) unconformably overlie the Permian–Triassic volcanogenic rocks...
FIGURES | View All (12)
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0041(06)
EISBN: 9780813756417
...-arc magmatism. Younger Late Triassic to Early Jurassic carbonate platform-to-basin sedimentation and possible synorogenic basin evolution are deduced from the Martin Bridge and Hurwal Formations ( Nolf, 1966 ; Vallier, 1977 ; Whalen, 1988 ; Follo, 1994 ; Dorsey and LaMaskin, 2007 ; Stanley et al...
FIGURES | View All (22)
Journal Article
Journal: Lithosphere
Published: 01 April 2017
Lithosphere (2017) 9 (2): 235–264.
... Lallemant, 1995 ; Vallier, 1995 ; Kurz, 2001 ; Kurz and Northrup, 2008 ; Kohn and Northrup, 2009 ). The CCC and adjacent rocks of the Permian Hunsaker Creek Formation of the Seven Devils Group record two distinct episodes of deformation ( Kurz et al., 2012 ). Older D1 deformation is documented...
FIGURES | View All (17)
Journal Article
Published: 01 January 2015
Journal of Foraminiferal Research (2015) 45 (1): 3–28.
... columns, left sides). Hwl , Hurwal Formation; Si , silicified beds; F, fault. ...
FIGURES | View All (7)
Journal Article
Journal: GSA Bulletin
Published: 01 March 2012
GSA Bulletin (2012) 124 (3-4): 578–595.
..., the Trudy Mountain gneissose unit is thrusted over volcaniclastic and shallow-marine strata of the Middle to Late Jurassic Coon Hollow Formation along the northeast-trending Klopton Creek fault, a regionally extensive post–Late Cretaceous, right-lateral oblique thrust fault ( Fig. 2 ; White et al., 1992...
FIGURES | View All (11)