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Kara Crater

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Series: GSA Special Papers
Published: 01 January 1990
DOI: 10.1130/SPE247-p233
... The Kara impact structure, on the Kara Sea coast of Russia, consists of two adjacent impact craters, the Kara and the Ust-Kara craters. The Kara crater is located on land and has a pre-erosion diameter of about 65 km, whereas the Ust-Kara crater is mostly submarine and has only limited onshore...
Journal Article
Journal: Geology
Published: 01 January 1990
Geology (1990) 18 (1): 50–53.
.... The Kara, USSR, impact structure consists of two adjacent large impact craters (a rare and interesting geologic phenomenon), and it has been suggested that this twin impact structure might be related to the K/T boundary event. However, newly determined 40 Ar/ 39 Ar and K-Ar ages presented here suggest...
Series: GSA Special Papers
Published: 30 June 2021
DOI: 10.1130/2021.2550(29)
EISBN: 9780813795508
... ABSTRACT The most recent comprehensive database of Martian impact craters was the result of the work of impact crater scientists (S.J. Robbins and B.M. Hynek) who carefully examined the available high-resolution imagery of Mars. Building on this previous work, we present the result...
Journal Article
Published: 01 January 2007
Geological Magazine (2007) 144 (1): 105–125.
...HENNING LORENZ; DAVID G. GEE; MARTIN J. WHITEHOUSE Abstract The Severnaya Zemlya Archipelago, located close to the continental edge of the Kara Shelf in the Russian high Arctic, represents, together with northern Tajmyr, the exposed Neoproterozoic and Palaeozoic part of the North Kara Terrane...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.256.01.22
EISBN: 9781862395046
... This account covers the history of cratering caused by the impact on the surface of the Earth by extraterrestrial objects, mostly meteorites but in the case of very large-scale events possibly asteroids or comets. The meteorites that fall on the Earth...
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Journal Article
Published: 01 September 2007
Journal of the Geological Society (2007) 164 (5): 923–936.
... and accuracy of radiometric dates for large igneous provinces (LIPs), for which there is now a consensus on the peak eruption times over the last 250 Ma. In parallel there has been a more gradual improvement in the radiometric dates for craters formed by hypervelocity impacts (HVIs) of asteroids and comets...
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Journal Article
Published: 01 January 2011
Journal of the Geological Society (2011) 168 (1): 1–14.
...S.A. Stewart Abstract: One hundred and seventy-six craters on Earth are currently accepted as resulting from bolide impact; this list is growing at a rate of approximately two craters per year because of new discoveries and revised interpretations. Here we take the subset of craters most relevant...
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Journal Article
Published: 19 July 2013
Geological Magazine (2014) 151 (3): 492–516.
... Kara Mt and Dede Mt. At Kızılağaç Mt, dacitic lavas poured along the fault zone at the western side of the mountain. As shown in Figure 2 , there are a number of minor faults between the western and eastern master faults of the Çubukludağ Graben. Some of them acted...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1933
AAPG Bulletin (1933) 17 (1): 52–65.
... in Naftalan, where the oil is known for its marvelous healing powers. Three more samples were taken from some small gas-ejecting craters near Pouta on the Apsheron. Altogether more than 100 samples have been examined. They were taken from oil-bearing formations of various depths down to 1,000 meters. 1...
Journal Article
Journal: Palynology
Published: 02 April 2020
Palynology (2020) 44 (2): 310–335.
...Pieter R. Gurdebeke; Kenneth N. Mertens; Vera Pospelova; Kazumi Matsuoka; Zhen Li; Kristin E. Gribble; Haifeng Gu; Kara Bogus; Henk Vrielinck; Stephen Louwye Abstract The taxonomy of the dinoflagellate cyst-based genus Votadinium has been in need of revision. This is accomplished here...
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Journal Article
Published: 01 February 2006
The Canadian Mineralogist (2006) 44 (1): 177–188.
... the fumarole of La Fossa crater on Vulcano Island, Italy, was described by Borodaev et al. (1998) . Here, we report on the crystal structure of kirkiite from the type locality. The type kirkiite from Kirki, of composition Pb 10.08 Bi 2.55 Sb 0.13 As 2.91 S 19 , was found to be polysynthetically...
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Journal Article
Journal: GSA Bulletin
Published: 02 May 2019
GSA Bulletin (2019) 131 (11-12): 2011–2038.
... obtained by single-spot analyses with a laser beam diameter of 33 µm and a crater depth of ∼10 µm. The laser was fired at a repetition rate of 5 Hz and at nominal laser energy output of 25%. Two laser pulses were used for pre-ablation. The carrier gases were He and Ar. Analytes of 238 U, 235 U, 232 Th...
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Journal Article
Journal: Geophysics
Published: 02 July 2013
Geophysics (2013) 78 (4): EN29–EN41.
... A. Kemna A. Hurst A. W. Reeves R. Papasin R. , 2009 , A case study of resistivity and self-potential signatures of hydrothermal instabilities, Inferno Crater Lake, Waimangu, New Zealand : Geophysical Research Letters , 36 , L12306 , doi: 10.1029/2009GL037573 . GPRLAJ 0094-8276...
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Journal Article
Published: 01 April 2008
Bulletin of the Seismological Society of America (2008) 98 (2): 861–889.
... ; Nelson et al. , 2000 ; Goldfinger et al. , 2003a , b ). The Holocene stratigraphy of submarine channels along the Cascadia margin includes Mazama Ash ( MA ), from the eruption of Mt. Mazama, forming Crater Lake, Oregon ( Nelson et al. , 1968 ). The calendar age of the eruption of Mt. Mazama has...
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Journal Article
Published: 01 November 2003
Journal of Sedimentary Research (2003) 73 (6): 941–956.
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Series: GSA Special Papers
Published: 21 December 2017
DOI: 10.1130/2016.2525(14)
EISBN: 9780813795256
... be related to an episode of volcanic eruptions. Numerous volcanic fissures from 4 to 5 km long are clearly noticeable in the northern part of the Gheham Ridge and demonstrate distinct right-stepping geometry; moreover, a chain of volcanic craters 50–70 m in diameter is located along them. Larger volcanoes...
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Series: SEPM Special Publication, SEPM Special Publication
Published: 01 January 2009
DOI: 10.2110/sepmsp.092.057
EISBN: 9781565762008
... filled the Rogue and other river valleys with volcanic debris for up 75 km from the mountain. Finally, the mountain formed a collapse caldera that contains the famous Crater Lake in the Cascade Mountains of Oregon. As a result, large amounts of volcanic and forest debris washed from the Columbia...
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Journal Article
Journal: Economic Geology
Published: 01 November 2002
Economic Geology (2002) 97 (7): 1541–1562.
...D. E. Ames; J. P. Golightly; P. C. Lightfoot; H. L. Gibson Abstract The 1.85 Ga Sudbury structure is the largest, well-preserved, exposed example of a terrestrial impact crater; it contains world-class Ni-Cu-platinum-group element (PGE) ores associated with the igneous component. A new...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2007
GSA Bulletin (2007) 119 (9-10): 1151–1167.
...A. Wittmann; T. Kenkmann; L. Hecht; D. Stöffler Abstract Formation conditions of suevite-like impactites from an ∼100 m thick drill core sequence through the Cretaceous-Tertiary Chicxulub crater were reconstructed from empirical data obtained by petrologic and image analytical methods...
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Journal Article
Published: 01 January 2018
European Journal of Mineralogy (2018) 30 (1): 61–76.
... nanostructural features and suggest a specific mechanism of Kara diamond formation. The twin impact craters Kara and Ust’-Kara are located in the northeastern European part of Russia belonging to the northeastern section of the Pay-Khoy Ridge structure ( Fig. 1 ). The craters have diameters of 65...
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