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| J.-D. MEUNIER, F. COLIN, and J.-M. KOUD: Plant impact on the biogeochemical cycle of silicon and related...oxygen fugacity and the relationship to melt structure. K. W. W. SIMS and D. J. DEPAOLO : Inferences...basalts. M. B. HOLNESS and S. LEWIS: The structure of the halite-brine interface inferred from pressure...J. A. DONS, and J. NATERSTAD: The Gardnos impact structure, Norway: Petrology and geochemistry of target |
 | Parnell, John, Bowden, Stephen A., Osinski, Gordon R., Lee, Pascal, Green, Paul, Taylor, Colin, Baron, Martin (2007) Organic geochemistry of impactites from the Haughton impact structure, Devon Island, Nunavut, Canada. Geochimica et Cosmochimica Acta, 71 (7) 1800-1819 doi:10.1016/j.gca.2007.01.006 | Journal (article/letter/editorial) |
| geochemistry of impactites from the Haughton impact structure, Devon Island, Nunavut, Canada John Parnell...from the 24 km wide and 39 Ma old Haughton impact structure, Canadian High Arctic, is a mixture of fossil...Lower Palaeozoic marine source material before impact and permeates bedrock dolomites. Biomarker maturity...parameters record the thermal effect of the mid-Tertiary impact. Maturity-influenced sterane, rearranged hopanoid...ratios all increase towards the centre of the impact structure, where thermal alteration was greatest. The |
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| Minerals of Norway - the (almost) complete inventory Gunnar Raade Preamble A monographic survey of the...the minerals of Norway (Norges Mineraler) was published by Neumann (1985), covering all minerals recorded...and synonyms. A large number of minerals new to Norway have been recorded since the book appeared. The...attempt to list all accepted mineral species from Norway, including those from Neumann (1985) and later...& Nickel 2001). Names of minerals discovered in Norway after the edition of Neumann's monograph are in |
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| Goddard Space Flight Center 5103 BAJADA DEL DIABLO IMPACT CRATER-STREWN FIELD, PATAGONIA, ARGENTINA: THE...(4246¢–43¢¢S; 6724¢–45¢¢W). They form perhaps the largest impact crater field known in the world [1]. These structures...the geological field data prove their indubitable impact origin, since different rocks have been affected...order to characterize the geophysical signatures of impact craters in the Pliocene conglomerates, ground magnetic...craters supports this hypothesis. Conclusion: The BdD impact occurred most likely during the Middle Pleistocene |
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| accreted, with the lowest effect of thermal or impact metamorphism [1]. The petrological scale for classifying...determine which trends are linked to static or impact metamorphism. Method: Samples were imaged using...metamorphism as well as the loss of equilibrium due to impact events and the onset of shock melting. It is not... Raman provides information on the molecular structure. These techniques are highly synergetic and can...CAMBRIAN VAKKEJOKK BRECCCIA, SWEDEN – EVIDENCE OF AN IMPACT. C. Alwmark1, J. Ormö2, and A. T. Nielsen3, 1Dept |
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| 4OAr/ 39 Ar as a function of temperature show structure that is interpreted as the result 0(39Ar recoil...macrochondrule, which has been described as an impact melt [4J, the chondrule P9 is more difficult to...might indicate the destruction of the crystal structure of both minerals. possibly during melting of eucrite...suggested that lABs and IIICDs formed in individual impact melt 485 pools [4,2] on a common parent body...compatible with core formation [5,6] than with impact-melt pools [2,4]. References: [1] McCoy T. J. et |
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| Dasgupta. Predicted high-pressure orthorhombic structure of CaCO3. See Figure 14b in Chapter 3 by Oganov.........................................36 3 Structure, Bonding, and Mineralogy of Carbon at Extreme.....................................291 Atomic structure of carbonate melts..................................................................311 Melt structure of tetracarbonates?............................. 20 The Deep Viriosphere: Assessing the Viral Impact on Microbial Community Dynamics in the Deep Subsurface |
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| ages and the Rb-Sr and Sm-Nd ages were seen as an impact feature [1,2]. The accumulation of young concordant...DATING ON IMPACT-GENERATED MELT FROM THE CARSWELL ASTROBLEME, EVIDENCE FOR A MESOPROTEROZOIC IMPACT EVENT...Athabasca Basin. It is a 39 km-wide complex impact structure with an 18 km diameter central uplift made...made of crystalline basement rocks. The age of the impact event has never been accurately constrained: a...uplift, it is essential to determine the age of the impact event and its possible influence on the mineralization |
