Hebron Formation

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Series: GSA Special Papers
Published: 01 January 1990
DOI: 10.1130/SPE245-p171
... based on the description of core and cuttings from the deep hole, with supplemental chemical analyses, petrography, and a geochemical log. Rocks to a depth of 709.9 m are a mixture of quartz-diopside granofels and biotite-quartz-plagioclase schist identical to outcrops of Hebron Formation...
Journal Article
Journal: GSA Bulletin
Published: 01 July 1977
GSA Bulletin (1977) 88 (7): 925-934.
... schist and gneiss of the Tatnic Hill Formation, Hebron Formation, Scotland Schist, and the sill-like Canterbury Gneiss overlies the Quinebaug Formation. These rocks produce a field of moderate levels of radioactivity but have nodes of high radioactivity where pegmatite is abundant. A field of moderate...
Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP316.18
EISBN: 9781862395640
... south of Neuhoff Reserve (Fig.  2 c), the Kamberg Formation hardpan layer on Asbaakies Farm ( c . 24°55.0′S, 16°20.0′E) is offset in a manner similar to that of the Hebron Fault scarp segments described above. The lineament on Asbaakies Farm (Fig.  14 ) trends SE and crosses a ridge of basement rocks...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 2010
AAPG Bulletin (2010) 94 (7): 1059-1078.
...Nicola S. Tonkin; Duncan McIlroy; Rudi Meyer; Allison Moore-Turpin Abstract The delineation Ben Nevis L-55 well, located in the Hebron-Ben Nevis field, offshore Newfoundland, targeted the Cretaceous Ben Nevis Formation in the petroleum-rich Jeanne d'Arc Basin. This case study focuses...
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Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0598
EISBN: 978-0-9836097-8-0
... of exploration in the 1960’s, regional exploration on the Grand Banks has been primarily focused on the Early Cretaceous Ben Nevis and Hibernia formations shallow marine sandstone reservoirs. This early phase of exploration resulted in the discovery of the Hibernia, White Rose, and Hebron fields in the southern...
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Journal Article
Published: 01 June 2004
South African Journal of Geology (2004) 107 (1-2): 261-284.
... of southern Africa. From these data, inferences regarding the Proterozoic tectonic evolution of the southern African continent, the mechanisms of lower crustal granulite formation, and the present day architecture of the lithosphere are drawn. U-Pb geochronology demonstrates that the granulitization of pre...
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Journal Article
Published: 01 December 2014
Bulletin of Canadian Petroleum Geology (2014) 62 (4): 330-396.
... wells located in Davis Strait and on the Labrador Shelf, and which penetrate these rocks, were studied by LA-ICP-MS in order to assess sediment dispersal patterns and distribution of potential reservoirs. Samples from the mid-Cretaceous Bjarni Formation, the Upper Cretaceous Markland Formation...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 2005
AAPG Bulletin (2005) 89 (9): 1203-1237.
... to the Hibernia Formation (44% recoverable oil) and Avalon Formation (28%). Accumulation size decreased, and gas content increased from west to east, independent of trap size. These changes correspond to a decrease in source rock richness and quality from west to east. Almost all (96%) of the discovered petroleum...
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Series: GSA Reviews in Engineering Geology
Published: 01 January 2007
DOI: 10.1130/2007.4118(11)
EISBN: 9780813758183
... borehole, where oil-bearing deposits have been revealed in the Triassic Saharonim and Gevanim formations at 1723–1730 m and 1860–1864 m, respectively (Goldfarb et al., 1982 ). The magnetic field of this profile is complicated by the regional Hebron anomaly (Rybakov et al., 1995 ). After removing...
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Journal Article
Published: 01 June 2019
South African Journal of Geology (2019)
...C.R. Anhaeusser Abstract Formations on the northwestern flank of the Barberton Greenstone Belt have hosted over 85% of all the gold recovered from the ca. 3550 to 3000 Ma Barberton Supergroup since early discoveries in 1872. This sector of the greenstone belt also happens to coincide with a complex...
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Series: GSA Field Guide
Published: 01 January 2010
DOI: 10.1130/2010.0018(03)
EISBN: 9780813756189
... Member of the Middle Park Formation, which consists of coarse, immature volcanic conglomerates derived from nearby alkalic-mafic volcanic edifices that were forming at about 6561 Ma. Clasts of Proterozoic granite, pegmatite, and gneiss (eroded from the uplifted at Laramide basin subsidence, sedimentation...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2009
GSA Bulletin (2009) 121 (1-2): 150-163.
... by mafic amphibolite rocks with rare felsic schists, accompanied by ultramafic sills, oxide-rich and quartz-rich iron formations, and possible conglomeratic units, with peak metamorphism having reached upper amphibolite facies. The sequence crops out as an open, shallow, south-plunging synform...
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Journal Article
Journal: The Leading Edge
Published: 01 April 2019
The Leading Edge (2019) 38 (4): 308.
...Alex Martinez; Stephan Gelinsky; Lance Cole Abstract Good ideas have staying power. Those behind the formation of the Offshore Technology Conference (OTC) undoubtedly had a vision of how it would serve the industry's needs. Odds are, though, today's reality may exceed even their boldest vision...
Series: AAPG Hedberg Series
Published: 01 January 2012
DOI: 10.1306/13311442H43475
EISBN: 9781629810003
... of the Jurassic with the Jeanne d’Arc Formation and ending with the Ben Nevis Formation of the Albian (sand deposits in Figure 2 ). The corresponding average porosities range between 14 and 20%, with permeabilities of hundreds to thousands of millidarcys ( Sinclair et al., 1992 ; Hesse and Abid, 1998...
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... of the Hibernia Formation; 3) Late Cretaceous submarine fans, associated with a major clastic wedge that prograded from the western margin of the basin; 4) Early Tertiary basin floor fans and slope fans related to a major sea level lowstand. Hydrocarbons have been encountered in all four groups of submarine...
Journal Article
Published: 01 June 2012
South African Journal of Geology (2012) 115 (2): 117-136.
... by De Beers Consolidated Mines (Pty) Ltd between Hondeklip Bay and Kleinsee and inspection of exploratory trench logs kept by Alexkor at Alexander Bay. The results provide the first substantiation for previous unverified reports of neotectonic faulting in Pliocene to Pleistocene formations along...
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Series: Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP331.3
EISBN: 9781862395794
... A review of the carbonate rocks that have been and/or are mostly used as building stone in the Mediterranean region allows five main types to be defined whose petrographical features may be summarized as follows. Throughout the Quaternary formation of carbonate rocks...
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Journal Article
Published: 01 June 2004
South African Journal of Geology (2004) 107 (1-2): 285-300.
... with peridotitic components, lack of buffering by typical megacryst mineral assemblages, and possibly shallower origins. Textures and fine-scale chemical disequilibrium indicate that reaction postdates some episodes of megacryst formation and was probably underway when the xenoliths were sampled by ascending...
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Journal Article
Published: 01 March 2008
South African Journal of Geology (2008) 111 (1): 53-66.
... Formation. There are two gravel facies associations and one sand facies within the splay unit. Colluvial facies are dominant particularly in the upper part and are composed of large andesite fragments which are mostly sub-angular and lacking obvious abrasion features suggesting that these are of local...
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Journal Article
Published: 21 October 2015
Geological Magazine (2015) 153 (1): 179-192.
... formation in the Bundelkhand Craton occurred in a similar time-frame to that recorded from the Singhbhum and Bastar cratons of the North Indian Shield. The CL images of the zircons separated from DUR13 ( Fig. 4 a, b) show that all zircons are affected by a strong metamictization...
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