Orella region

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Journal Article
Published: 27 November 2014
Journal of the Geological Society (2015) 172 (2): 264–271.
... factors are representative of those of present day, can significantly contribute to our overall understanding of Earth’s climate at regional and global scales (e.g. Mayewski et al. 2004 ; Wanner et al. 2008 ). These palaeo-data can be decoded using various proxies from natural recorders of climate...
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Journal Article
Published: 01 February 2003
Geochemistry: Exploration, Environment, Analysis (2003) 3 (1): 29–38.
... of Chile, V Region, c . 100 km NW of the city of Santiago and 18 km from the main port of Valparaiso, at a mean elevation of 250 m ( Fig. 1 ). The district has a long history of placer Au mining, dating back to colonial times ( Cuadra & Dunkerley 1991 ). The first group is represented by Au...
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Journal Article
Journal: The Leading Edge
Published: 01 August 2014
The Leading Edge (2014) 33 (8): 890–902.
..., the azimuth 321°NW (141°SE) extracted from the horizontal variogram modeling shows coherence with regional azimuth 344° NW interpreted with available well-image data. The variogram models (low, medium, high, and best-fit cases shown in Figure 7a ) were used as inputs for facies and property population...
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Journal Article
Published: 11 September 2017
Geological Magazine (2018) 155 (1): 203–208.
... ‰ and –22 ‰ (van der Merwe & Medina, 1989 , 1991 ; Cerling et al . 1997 ; Koch, 1998 ). On the other hand, the C4 photosynthetic pathway has δ 13 C values between –14 ‰ and –10 ‰, and is usually found in grasses as well as trees and shrubs from warm regions (Smith & Epstein, 1971 ; Cerling...
Series: GSA Special Papers
Published: 01 January 2008
DOI: 10.1130/2008.2435(08)
...; Toston Formation, Montana (all Chadronian); Cedar Creek Member, White River Formation, Colorado; Orella Member, Brule Formation, Nebraska; Scenic Member, Brule Formation, South Dakota; Toston Formation, Montana (all Orellan). Description and Discussion— FLFO 5976 (UCM 99590), a right dentary fragment...
Journal Article
Journal: AAPG Bulletin
Published: 01 November 1947
AAPG Bulletin (1947) 31 (11): 1913–1935.
... the Tehachapi-San Emigdio and northern San Gabriel Mountain region on the north and east. In general appearance the Sespe south of the Santa Clara resembles that on the south flank of the Santa Ynez Mountains between Goleta and Gaviota, except that no marine intercalations are found in Ventura County. In fact...
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Journal Article
Published: 01 January 2012
Rocky Mountain Geology (2012) 47 (2): 113–132.
... the central Great Plains, including northeastern Colorado, Wyoming, Nebraska, and South Dakota, with discoveries dating back more than a century to the work of Cope, Leidy, and Marsh. Little is known, however, about the late Eocene mammalian faunas of the intermontane regions of Wyoming and Colorado...