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Trafalgar Formation

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(A)  Overview of the flat-bedded Mzamba <b>Formation</b> from <b>Trafalgar</b>;  (B)  Clo...
Published: 01 September 2018
Figure 4. (A) Overview of the flat-bedded Mzamba Formation from Trafalgar; (B) Close-up of Mzamba beds, comprising alternations of matrix supported conglomerates and mudstones. In this image the mudstone (top) of the preceding couplet and the matrix supported conglomerate (base
Series: GCSSEPM
Published: 01 December 2011
DOI: 10.5724/gcs.11.31.0390
EISBN: 978-0-9836097-7-3
... class. The Teapot Dome Field has numerous producing strata. The focus of this effort is the detailed geological classification of the Pennsylvanian Tensleep Formation that consists of aeolian sandstone dunes interbedded with shallow marine dolostone carbonates. The top of the producing sandstone...
Journal Article
Published: 01 April 2011
The Canadian Mineralogist (2011) 49 (2): 441-458.
... plutonique de Trafalgar mises en place il y a environ 373 Ma dans un encaissant de roches métasédimentaires des groupes Goldenville et Halifax. Le grenat est abondant dans la Formation Beaverbank du Groupe Goldenville et dans les enclaves des granites qui en sont dérivées. Des monocristaux de grenat...
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Series: SEPM Special Publication
Published: 01 January 1998
DOI: 10.2110/pec.98.58.0111
EISBN: 9781565761810
... for the Maastrichtian Galera Formation sandstones are interpreted to have been derived, respectively, from granitoids and rift-related volcanics along the northern South American margin. Albian and Early Silurian/Late Ordovician zircon fission-track ages from the Lower Cretaceous Toco Formation have no provenance local...
Series: SEPM Special Publication
Published: 01 January 1998
DOI: 10.2110/pec.98.58.0087
EISBN: 9781565761810
... run-off, at a time of high eustatic sea level, may explain the deposition of quality source rocks of the Gautier and Naparima Hill Formations from the Albian through to the Campanian time in Trinidad. Deep-water passive margin sedimentation is interpreted to have continued in Trinidad through to Late...
Series: Geological Society, London, Special Publications
Published: 01 January 2001
DOI: 10.1144/GSL.SP.2001.188.01.12
EISBN: 9781862394360
...) successfully tested a faulted anticlinal structure and encountered gas in the Triassic Sherwood Sandstone Formation. Although a number of other potential hydrocarbon traps have been identified in the Slyne Basin, the poor quality of the seismic data, plus the presence of complex transfer zones, has generated...
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Journal Article
Journal: Geology
Published: 01 February 2000
Geology (2000) 28 (2): 159-162.
.... The Mesozoic of the western United States contains a number of well-developed erg systems. The clue to their formation and preservation is the combination of a positive sand budget and the generation of shortening events in the early Mesozoic continental margin arc of the U.S. Cordillera, which flexed...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 2017
AAPG Bulletin (2017) 101 (4): 607-615.
... Monterey Formation, and basin modeling shows that only the deepest parts have recently reached sufficient depths for oil generation ( Davis et al., 1996 ). Integration of basin modeling and cross section work shows a very young and active petroleum system with discrete generation pods within the deepest...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 August 2015
AAPG Bulletin (2015) 99 (8): 1575-1598.
...., 2008 ) to calculate amounts of overburden. Table 2 Apatite Fission Track Data. Apatite Fission Track Data from Samples Analyzed with External Detector Method * Sample Longitude (W) Latitude (N) Elevation (m) AFT Age (Ma) ± 1s Error Formation...
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Series: Geological Society Memoirs
Published: 08 May 2019
DOI: 10.1144/M49.8
..., including the circum-Pacific ( Howell et al. 1985 ; Howell 2009 ). Most terranes are substantially allochthonous and are commonly of uncertain origin. The formation and displacement of terranes are controlled by plate tectonics. Plate tectonics has its own nomenclature for identifying tectonic units...
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Series: Geological Society Memoirs
Published: 08 May 2019
DOI: 10.1144/M49.7
... mention the relevance of conventional stratigraphy, including groups and formations (e.g. H.J. Campbell et al. 2003 ), and the New Zealand timescale ( Raine et al. 2015 ). Finally, we briefly introduce the scope and the main findings of each of the contributions. During late Paleozoic–early...
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Series: SEPM Special Publication
Published: 01 January 2000
EISBN: 9781565761896
... Formation. 2 Sr isotope values in bold type pass the criteria of Mn/Sr < 0.2, Mn < 100 ppm, and Sr > 500 ppm. 3 insoluble residue. Table 2. —CHEMISTRY (ELEMENTAL AND ISOTOPIC) OF BED-GROUP 19 AND 20 ISOTOPIC SAMPLES, CENTRAL EAST GREENLAND...
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Series: SEPM Special Publication
Published: 01 January 2007
DOI: 10.2110/pec.07.87.0081
EISBN: 9781565762954
... morphology either when sediment influx began, or, more likely, when sufficient attachment had been achieved to allow verticalgrowth without toppling. Fig. 6. Logged section in rhythms B3 and LC1 of the Guinea Corn Formation at Grantham in the Central Inlier. Limestones arecharacterized by relatively...
Journal Article
Published: 01 February 2017
Petroleum Geoscience (2017) 23 (1): 17-28.
... is the input for the PSDM simulator. Several simulator parameters need to be defined in order to obtain seismic images at the conditions defined for the base case ( Fig. 5 ). The model was first brought to a depth of 2 km, which corresponds to the estimated depth of formation at the time of faulting ( Rotevatn...
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Series: Geological Society, London, Special Publications
Published: 01 January 2017
DOI: 10.1144/SP442.17
EISBN: 9781786202925
... of the Great Basin before returning by Lake Tahoe and localities intimately connected with the nineteenth century California gold rush. The trip highlighted the (often competing) exploitation of water and gold, as well as the formation of mountain ranges as exemplified by the Sierra Nevada and the leading role...
Series: Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP377.11
EISBN: 9781862396388
... and Guayabo Formations) to see if there is a correlation between structural style and thickness. The area with maximum thickness of the Carbonera, León and Guayabo Formations coincides with the well-developed antiformal stacks in the Piedemonte segment of the Llanos foothills. The stacks are absent...
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Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/SP287.27
EISBN: 9781862395350
... Group rocks, comprising the Maitai Slates of von Hochstetter and which are now referred to the Greville and Waiua formations, before passing into the Brook Street Volcanics. The contact between the Maitai and Brook Street rocks was not exposed and, without comprehending the possibility of major...
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Journal Article
Published: 15 September 2017
Journal of the Geological Society (2017) 174 (6): 988-1003.
... warmer than at present, whereas winters (mean January air temperature range 0 to +7°C) were probably similar to those of today. These palaeotemperature ranges encompass those for Ip IIb deposits at Trafalgar Square (+20 to +21°C and +1.5 to +3°C), previously considered the only Ipswichian site to record...
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Journal Article
Published: 01 May 2010
Environmental and Engineering Geoscience (2010) 16 (2): 73-89.
..., the Matthieu. This month-long activity in 1997 culminated in the formation of a lake behind a landslide dam within the Matthieu River Valley. The Matthieu landslide dam is of particular interest because it has persisted for more than 11 years. This landslide dam and associated lake are also remarkable...
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Journal Article
Published: 01 February 2016
Canadian Journal of Earth Sciences (2016) 53 (3): 281-303.
... fill basin lows and drape ORM sediment lobes and Newmarket Till drumlins. These distinct sedimentary units are here informally referred to as Halton formation. Formal Halton Till is a proposed subunit of Halton formation, a clay-rich diamicton mapped from Niagara Peninsula to ORM and eastward. Halton...
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