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Exmouth Mudstone

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Journal Article
Published: 01 April 1981
Journal of the Geological Society (1981) 138 (2): 145-152.
...) where it reaches 468 ppm in Watcombe breccia, 146 ppm in Exmouth mudstone and 35 ppm in Triassic Otter sandstone. Credition Trough values attain 108 ppm in the Cadbury breccia. Extensive volcanic activity on the south eastern edge of the Cornubian Massif provided a supply of Cs. Due to its low ionic...
Series: GCSSEPM
Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0253
EISBN: 978-0-9836097-8-0
... Abstract An active exploration campaign in the Exmouth Plateau has yielded gas discoveries in a coeval wave-influenced delta and deep-water, sand-rich fan succession. Depositional elements were organized into clinoform seismic stratigraphic units that blanketed irregular topography created...
Journal Article
Published: 22 July 2016
Journal of the Geological Society (2016) 174 (1): 56-74.
...; Scrivener 1999 ). The Exmouth Mudstone and Sandstone Fm is a lacustrine, red–brown mudstone-dominated unit, with interbedded fine- to medium-grained fluvial and lacustrine sandstone units (thicker beds labelled as Beds A–J by Selwood et al. 1984 ). These are most prominent towards the upper part...
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Series: AAPG Studies in Geology
Published: 01 January 1981
DOI: 10.1306/St12420C24
EISBN: 9781629811802
... continental blocks on which sediment thicknesses range from about 500 to 9,000 m. However, in many areas the marine sequence deposited after continental breakup is thin. The most prospective areas, the Exmouth Plateau and the Carnarvon and Rowley Terraces off Western Australia, are underlain by several...
Series: GCSSEPM
Published: 01 December 2008
DOI: 10.5724/gcs.08.28.0345
EISBN: 978-0-9836096-2-9
...; “upper” and “main” sands; minor mudstone beds were not considered to be correlatable fieldwide barriers, pre-development drilling. Note ~95m of conventional core was recovered in three wells. Hydrocarbons in the Exmouth sub-basin were sourced from oil and gas prone claystones of the Upper Jurassic...
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Journal Article
Published: 25 March 2019
Petroleum Geoscience (2019) petgeo2018-067.
... the NW Shelf of Australia. Seismic mapping, combined with fieldwork, has resulted in greater understanding of subsurface intrusive plumbing systems but knowledge of emplacement style and the mechanisms by which intrusions propagate is limited. The interpretation of a 3D seismic dataset from the Exmouth...
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Image
Anisotropy of magnetic susceptibility data for the Littleham <b>Mudstone</b> Fm ( ...
Published: 22 July 2016
Fig. 7. Anisotropy of magnetic susceptibility data for the Littleham Mudstone Fm ( a , e , i ), The Exmouth Mudstone and Sandstone Fm ( b , f , j ), aeolian sandstones in the Dawlish Sandstone and Teignmouth Breccia formations ( c , g , k ), and the various breccia units ( d , h , l
Image
Representative demagnetization data from ( a ,  b ) the Littleham <b>Mudstone</b> ...
Published: 22 July 2016
Fig. 8. Representative demagnetization data from ( a , b ) the Littleham Mudstone Fm,; ( c , d ) Exmouth Mudstone and Sandstone Fm, ( e ) Exe Breccia Fm, ( f ) Dawlish Sandstone Fm, ( g ) Teignmouth Breccia and ( h ) Watcombe Fm. ( a ) Specimen L35, normal polarity (behaviour S1, ChRM 500–660°C
Journal Article
Published: 01 May 2005
Journal of Micropalaeontology (2005) 24 (1): 55-75.
..., coeval radiolarian-rich deposits are widespread in other western-margin basins and in vast interior basins. The organic-rich mudstones containing the radiolaria include the foraminiferal Ammobaculites Association, a sparse benthic macrofauna and kerogens of mainly terrestrial plant origin. The deposits...
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Journal Article
Journal: Clay Minerals
Published: 01 March 2006
Clay Minerals (2006) 41 (1): 309-354.
... is the Budleigh Salterton Pebble Beds. Clay mineral data for the Aylesbeare Mudstone Group and the overlying Sherwood Sandstone Group, exposed in the cliffs between Exmouth and Sidmouth, has been published by Perrin (1971) , Henson (1973) and Jeans (1978 , 1994 , 1995 ). There is general agreement that mica...
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Image
Section logs and summary horizon magnetic polarity data for the stratigraph...
Published: 22 July 2016
Fig. 5. Section logs and summary horizon magnetic polarity data for the stratigraphic section between Lympstone (site 3 in Fig. 1 ) and the top of the Littleham Mudstone Fm at Budleigh Salterton ( Fig. 1 ). Letters A–J on the log for the Exmouth Mudstones and Sandstones Fm are bed identifiers
Journal Article
Published: 01 November 2004
Geological Magazine (2004) 141 (6): 743-744.
... of the wealth of geological information which it has generated from the days of Mary Anning’s discoveries right up to today. For these reasons this 155 km of coastline from Exmouth to Studland Bay was proposed to UNESCO as a World Heritage Site and culminated in the area being formally designated on 13 December...
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1970
AAPG Bulletin (1970) 54 (4): 583-600.
... been mapped seismically in the continental shelf. Their strike is dominantly northeast-southwest. Three Jurassic subbasins (Exmouth, Barrow, and Dampier) have been defined tentatively in the southern part of the Rowley Shelf. The subbasins are integral parts of a major Jurassic downwarp along...
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Journal Article
Published: 01 November 2013
Journal of the Geological Society (2013) 170 (6): 853-856.
.... Biggs J. Neuberg J.W. 2012 . Monitoring volcanoes . Science , 335 , 1310 – 1311 . Tindale K. Newell N. Keall J. Smith N. 1998 . Structural evolution and charge history of the Exmouth Sub-basin, Northern Carnarvon Basin, Western Australia . In : Purcell...
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Series: Geological Society, London, Special Publications
Published: 01 January 2017
DOI: 10.1144/SP444.13
EISBN: 9781786203748
... eight of these wells, and 10 000 km 2 of 3D seismic data situated over an area NW of the Exmouth and Barrow sub-basins, located within the Kangaroo Syncline and part of the Exmouth Plateau. The interval of well control penetrates up to 1.4 km of the Mungaroo Formation, with core coverage restricted...
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Series: Geological Society, London, Special Publications
Published: 01 January 2017
DOI: 10.1144/SP444.13
EISBN: 978-1-78620-374-8
... eight of these wells, and 10 000 km 2 of 3D seismic data situated over an area NW of the Exmouth and Barrow sub-basins, located within the Kangaroo Syncline and part of the Exmouth Plateau. The interval of well control penetrates up to 1.4 km of the Mungaroo Formation, with core coverage restricted...
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Journal Article
Journal: Clay Minerals
Published: 01 March 2005
Clay Minerals (2005) 40 (1): 115-129.
...-chlorite clay minerals found in the Germanic facies of the European Trias may be of metamorphic origin, making comparison with the clay mineralogy of the Devonian mudstones of the Orcadian Basin, Scotland. In these Devonian mudstones, authigenic corrensite (regular 1:1 smectite-chlorite phase), mixed-layer...
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Journal Article
Published: 01 December 2003
Journal of the Geological Society (2003) 160 (6): 985-990.
... basalts with rift tholeiitic compositions, interbedded with subordinate mudstones. Farther east, lavas and dykes of the Crimson Creek Formation in the Dundas Trough match the Togari Group and Double Cove lavas lithostratigraphically and compositionally ( Crawford & Berry 1992 ), but also include...
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Journal Article
Published: 01 October 2010
Journal of Foraminiferal Research (2010) 40 (4): 366-392.
...-stratigraphic units recognized in Timor include the Middle Triassic mudstone-dominated Niof Formation ( Bird and Cook, 1991 ); the Middle to Late Triassic interbedded sandstone and mudstone Babulu Formation ( Bird and Cook, 1991 ); the Late Triassic–Early Jurassic interbedded limestone and mudstone Aitutu...
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Journal Article
Journal: Geology
Published: 01 October 2007
Geology (2007) 35 (10): 919-922.
...% organic carbon, C org ), sand- and silt-rich mudstones at Site 1258 that are interbedded with quartz sandstone to siltstones at Site 1259 ( Erbacher et al., 2004 ). The age of unit V is uncertain at Site 1259. At Site 1258 calcareous nannofossil biostratigraphy ( Kulhanek and Wise, 2006 ) indicates...
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