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Ostler lenses

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Journal Article
Published: 01 June 1973
Journal of Sedimentary Research (1973) 43 (2): 418–422.
... carrying predominantly coarse gravel to fine pebble materials, usually in shallow reaches at the downstream end of braid islands, bars and point bars. The Ostler lenses are considered to record essentially unidirectional to slightly convergent flow and a turbulent lower flow regime conditions...
Journal Article
Journal: Interpretation
Published: 01 June 2018
Interpretation (2018) 6 (4): SL1–SL9.
... qualitative (from Nobes, 2015 ). Figure 3. Overlay of best fitting electrical imaging electical resistivity model on top of GPR profile 3D12 from imaging of the Benmore Anticline, Ostler Fault, New Zealand (from Nobes, 2015 ). In some cases, the faults appear to be conductive; in others...
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Journal Article
Published: 01 July 2012
Bulletin de la Société Géologique de France (2012) 183 (4): 287–306.
... the margins of the Pindos basin, developed in a pelagic rift environment, with a thinned continental crust. – the Upper subunit includes Lower-Middle Jurassic bedded cherts, siltstones, oolithic limestones and Middle to Upper Jurassic cherty and oolithic limestones. Scattered lenses of ophiolite-derived...
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Journal Article
Published: 20 May 2020
Seismological Research Letters (2020) 91 (4): 2287–2297.
...), the upper sediments in the Tagus River alluvial plain are composed of a clayish and silty unit locally alternating with sand lenses of various thicknesses. The alluvial basement differs from the west side of the VFX seismic profiles, where the alluvial sediments rest on Jurassic rocks at a depth of about 20...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 09 August 2017
Lithosphere (2017) 9 (5): 828–850.
.... 3.3–2.7 Ga) polydeformed migmatitic orthogneiss with disrupted lenses of supracrustal rocks; younger (2.7–2.6 Ga) supracrustal belts, including the South Pass belt that has east-northeast–striking shear zones and foliations; younger (2.7–2.6 Ga) calc-alkaline plutons with variably developed foliations...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1959
AAPG Bulletin (1959) 43 (8): 1940–1966.
... that of offshore bars ( Fig. 5 ). Certainly the transition from non-marine deposition on the east to more normal marine deposition in the central Montana trough on the west was a gradual one. The similarity of the sandstone lenses of this interval in North Dakota to those of the Tyler formation of central Montana...
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Journal Article
Journal: Geophysics
Published: 11 July 2016
Geophysics (2016) 81 (5): IM97–IM108.
... conspicuous features in field data cannot be explained by near-surface effects. The sharp disturbances found in the data are also not compatible with larger-wavelength lithological changes that are common in the alluvium in this region as found in well data, such as the presence of sand lenses that are a few...
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Journal Article
Published: 26 July 2016
Bulletin of the Seismological Society of America (2016) 106 (5): 2345–2363.
.... Excavation revealed that the north and south walls of trench 4 had marked differences in the appearance of deposits and faults (Figs.  6 and 7 ). Accordingly, both walls were logged. The oldest unit in both cases is a poorly sorted, clast‐supported gravel with sand lenses and a sandy matrix (unit 1...
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Journal Article
Published: 13 August 2020
Geological Magazine (2021) 158 (4): 583–597.
.... The lower Al 1 is represented by well-consolidated conglomerates and cobbles with 0.2–1.5 m thick lenses of silts and clays. The lowest boundary of the Al 1 facies is marked by a bluish colour conglomerate (Fig. 5 ). The longest axis of cobbles within this conglomeratic interval averages between 10...
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Journal Article
Journal: Economic Geology
Published: 01 August 2014
Economic Geology (2014) 109 (5): 1291–1313.
... that are interpreted to represent primary gabbroic and pyroxenitic layers ( Fig. 3B ). Cumulate textures are locally preserved and pegmatitic phases occur as meter-scale lenses ( Fig. 5A ). Where emplaced along the contact between the Winston Lake and Big Duck Lake Assemblages, the lower contact of the Zenith gabbro...
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Journal Article
Journal: Geosphere
Published: 19 October 2018
Geosphere (2018) 14 (6): 2379–2406.
... of moderately well bedded coarse gravels with intercalated sand lenses, minor lignite, and tephra ( Allen, 2016 ). A composite measured stratigraphic section suggests that ∼215 m of the upper member are exposed in the footwall of the McCallum Creek fault in the map area ( Allen et al., 2014 ) ( Fig. 5...
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