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Cochrane Formation

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... The surficial deposits of Cochrane District consist mainly of three sheetlike stratigraphic units: lower till, which records regional glaciation during the Wisconsin stage, overlies Precambrian bedrock, and is overlain by mostly varved sediment of the Barlow–Ojibway Formation , which...
Journal Article
Published: 01 March 1974
Journal of Sedimentary Research (1974) 44 (1): 228-241.
... Formation, Nichols Shale, Nebo Sandstone, Murray Shale, Hesse Sandstone and Helenmode Formation from bottom to top. The Cochran is the thickest formation and is composed primarily of coarse, moderately sorted subarkose. It is overlain by silty and sandy shale (Nichols and Murray) and medium to fine-grained...
Journal Article
Published: 01 June 2017
Environmental Geosciences (2017) 24 (2): 95-112.
... locations with no aboveground casing were surveyed for methane flux from the soil. Recent large-scale development of oil and gas from low-permeability unconventional formations (e.g., shales, tight sands, and coal seams) has raised concern about potential environmental effects. Production from...
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Journal Article
Journal: GSA Bulletin
Published: 01 August 1958
GSA Bulletin (1958) 69 (8): 947-966.
... minor intercalations of limestone and dolomite but no volcanic components or known fossils. The series is probably 30,000 feet or more thick. It lies unconformably on a basement of earlier Precambrian granitic and gneissic rocks, and on the northwest side of the mountains it is overlain by the Cochran...
Journal Article
Published: 01 March 2011
Environmental Geosciences (2011) 18 (1): 19-34.
... to reduce carbon dioxide (CO 2 ) emissions. One promising approach is CO 2 capture and permanent storage in deep geologic formations, such as depleted oil and gas reservoirs, unminable coal seams, and deep brine-containing (saline) formations. However, successful implementation of geologic storage projects...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 2015
AAPG Bulletin (2015) 99 (2): 181-206.
... changes until a compositional plateau was reached within approximately 1 yr. The δ 18 O values and relationships between Na, Cl, and Br provide evidence that the water produced after compositional stabilization is natural formation water, the salinity for which originated primarily from evaporatively...
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Journal Article
Published: 01 August 2014
Environmental and Engineering Geoscience (2014) 20 (3): 305-320.
... as a function of radial distance from the injection well at different times for Case A2. The results show that the magnitude of horizontal displacement increases over time, but the location of the maximum deformation does not. Because the boundary conditions and formation properties were more close to reality...
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Journal Article
Published: 01 November 2012
Environmental and Engineering Geoscience (2012) 18 (4): 343-355.
... options for the geological storage of CO 2 ( Bradshaw et al., 2007 ). In all these cases, the pore fluids have been or will be changed in deep formations from oil or saline water to CO 2 , and rock matrix saturated with different pore fluids may behave very differently. The input parameters...
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Journal Article
Published: 01 August 1978
Canadian Journal of Earth Sciences (1978) 15 (8): 1250-1271.
...) — Carpodaptes cf. cygneus , Plesiadapis sp., Ignacius sp.; (3) Calgary site 2E (Porcupine Hills Formation) — Microsyopinae incertae sedis ; (4) Cochrane site 11 (Porcupine Hills Formation) — Elphidotarsius russelli , n. sp., Pronothodectes ? sp., Paromomys cf. depressidens , Picrodus silberlingi ; (5...
Image
Summary diagram showing the correlation of sections in the Calgary-<b>Cochrane</b>...
Published: 01 December 2000
Fig. 19. Summary diagram showing the correlation of sections in the Calgary-Cochrane area, interpreted magnetozones and magnetosubzones, known mammal sites, and formational interpretation. Inset map shows the spacing of individual sections when projected onto a line approximately paralleling
Journal Article
Published: 01 October 1999
Canadian Journal of Earth Sciences (1999) 36 (5): 791-803.
...Timothy G Fisher Abstract Stratigraphic and sedimentologic field data in the Cochrane, Alberta, area demonstrate that glaciolacustrine sediment comprising the Calgary Formation underlies glaciofluvial and fluvial sediment of the Bighill Creek Formation, previously dated at 11.4 ka BP. A continuous...
Journal Article
Published: 01 December 1968
Canadian Journal of Earth Sciences (1968) 5 (6): 1455-1466.
...A. MacS. Stalker Abstract The prominent terraces north of Bow River at Cochrane, Alberta, divide readily into an upper and a lower set. The three terraces of the upper set represent deltas built into lakes ponded in front of Laurentide ice. They were constructed between 19 000 and 15 000 years ago...
Image
Figure  3 — 1 – 11,  Picrodus canpacius  n. sp., <b>Cochrane</b> 2 locality, earli...
Published: 01 July 2005
Figure 3 — 1 – 11, Picrodus canpacius n. sp., Cochrane 2 locality, earliest Tiffanian (Ti1), Paskapoo Formation, Alberta. 1, Composite upper dentition with P4, M1–3 in occlusal view [composite includes UALVP 24918 (holotype), incomplete right maxilla having P4, M1; UALVP 45662, isolated left
Journal Article
Journal: GSA Bulletin
Published: 01 May 1963
GSA Bulletin (1963) 74 (5): 631-636.
...: Henryhouse Formation and Clarita, Cochrane, and Keel-Ideal Quarry members of the Chimneyhill Formation. The unconformable relationship of the Keel, Cochrane, and Clarita is well shown in this outcrop. These units are correlated with Silurian strata in southwestern Illinois and southeastern Missouri...
Journal Article
Published: 01 October 1966
Canadian Journal of Earth Sciences (1966) 3 (5): 559-578.
... the study area. This was followed by the withdrawal of the ice mass from the area and the formation of proglacial lakes. This ablation phase was followed by a minor readvance. Two phases are postulated for this 'Cochrane' readvance. Within the study area, the extent of the glacial lakes and the limits...
Journal Article
Published: 18 April 2013
Canadian Journal of Earth Sciences (2013) 50 (3): 355-378.
...Craig S. Scott; Daniel N. Spivak; Arthur R. Sweet Abstract Although mammals of Paleocene age are well known from Alberta, their record is largely restricted to one lithological unit, the Paskapoo Formation (a record that includes mammals from the Cochrane area erroneously attributed...
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Journal Article
Published: 01 July 1983
Canadian Journal of Earth Sciences (1983) 20 (7): 1195-1211.
...N. A. Cochrane; A. D. Dunsiger Abstract Shallow marine sediments can be remotely classified by the spatial correlation properties of their seismic reflection signatures provided one uses a highly repetitive broadband acoustic source. A classification scheme defined by three spatial coherence...
Journal Article
Published: 01 December 2005
Bulletin of the Seismological Society of America (2005) 95 (6): 2486-2500.
...Michael A. Fisher; Victoria E. Langenheim; Christopher C. Sorlien; Peter Dartnell; Ray W. Sliter; Guy R. Cochrane; Florence L. Wong Abstract Offshore faults west of Point Dume, southern California, are part of an important regional fault system that extends for about 200 km, from near the city...
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Journal Article
Published: 01 October 2001
Exploration and Mining Geology (2001) 10 (4): 303-312.
...CHRISTOPHER R. DAVIS; J. MICHAEL ANDERSON; OLIVIER TAVCHANDJIAN; LAWRENCE B. COCHRANE Abstract Resource modelling is a complex process involving different specialists with relevant experience using a multi-disciplinary approach and the best available technology and reviews by independent auditors...
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Journal Article
Journal: Geosphere
Published: 27 July 2017
Geosphere (2017) 13 (5): 1392-1407.
.... The migration history of the tip of the Nazca Ridge over the past 10 m.y., based on the plate reconstruction of the mirror image of the Tuamoto Plateau ( Fig. 1 ) ( Hampel, 2002 ; Rosenbaum et al., 2005 ), suggests an apparent kinematic problem with the formation of this crustal arch: if the Nazca Ridge...
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