 | | Journal (article/letter/editorial) | | Shock Metamorphism of Minerals Impact melt glass with a schlieren-type flow texture in a suevite sample...sample from the Chesapeake Bay impact crater, USA Falko Langenhorst1 and Alex Deutsch2 1811-5209/12/0008-0031$2...10.2113/gselements.8.1.31 T he hypervelocity impact of extraterrestrial objects causes unequivocal...nature for just a few seconds —even during the impact of kilometer-sized projectiles— resulting in the...comprehensive description of effects related to impact cratering, the reader is referred to French and |  | Cherniak, D.J., Watson, E.B., Trappisch, R., Thomas, J.B., Chaussende, D. (2016) Diffusion of helium in SiC and implications for retention of cosmogenic He. Geochimica et Cosmochimica Acta, 192. 248-257 doi:10.1016/j.gca.2016.08.007 | Journal (article/letter/editorial) | | presolar grains in the solar nebula. When exposed to impact heating followed by slow cooling, nearly complete...complete loss of He from SiC grains near the site of impact will occur within several hours to a few days.... For SiC grains at greater distance from impact sites, He would be better retained, depending on the...cooling. Helium would also be retained in cases of impact heating followed by very rapid cooling. For these...silicon carbide samples were single-crystal gem moissanite purchased from a commercial jewelry supplier |  | | Journal (article/letter/editorial) | | other than the suggestion that the ice in this region is probably close to a steady state condition....shocked quartz in sediments is used to identify impact events in the Earth history. When compared to the...having a square of 1.3E-18 cm-. Production rate of impact craters (> I km diameter) is 12E-13 km-/y. Time...be recrystallized. The total mass of continental impact melt is computed to be 5.6E20 g (0.3% of the total...quartz should be a very sensitive indicator of large impact events. However it is necessary to note that local |  | | Report (issue) | | Mineral. Abstr. 31, 418 (1980). Refinement of structure. ADMONT1TE. Walenta, (Tschermaks Mineral. Petrogr...137-190 (1981)(English). Comprehensive review of structure, homologous series, and classification. AIKINITE...96-98 (1980)) Mineral. Abstr. 32, 250 (1981). Structure. Trigonal, a 13.730, c 9.329, R3. AKTASHITE. Nowacki...223217 (1980). Optical, x-ray, infra-red study of structure, from New Zealand. ALLOPHANE. Parfitt et al.,...Chem. Abstr. 96, no. 24, 208522 (1982). Defect structure of crystals grown by sublimation. ALTAITE. Breschi |  | | Report (issue) | | Abh. 134, 147-156 (1979). Refinement of crystal structure. ADAMITE. Toman, (Acta Crystallogr., Sect. B,...Ghos£ and Wan, Am. Mineral. 64, 563-572 (1979). Structure triclinic, PI, a 7.759, b 18.946, c 6.986A, alpha...(1980;LCrystalloyr.j) Chern. Abstr. 92, no. 26, 224689 (1980). Structure. Trig., K3, a 13.730, c 9.329A, Z=3. ALABANUlfE...Romming and Raade, Am. Mineral. 65, 488-498 (1980). Structure. Orth., Pnma, a 8.258, b 6.054, c 14.383A, Z=4... no. 2, 8990 (1979). Analysis from Lake Baikal region, x-ray, infra-red data. ALUMINITE. Farkas and Werner |  | | Book | | 4 3 4 Crystallographic Background. Crystal Structure of Feldspar. Background on Phase Equilibria Phase...Nomenclature . . . . . . . . . . . Chapter 2 Crystal Structure of Feldspar. Principal Features. Related Structures...Minerals Minerals Based on 4.8.8 Net Hollandite Structure Type . . The Hexagonal Structures . . Pseudo-Orthorhombic...Plagioclases Interpretation in Terms of Crystal Structure Simple Determinative Methods. . . . . . . . Dimensional.... . . . . . . . The Glass Transition and the Structure of Glasses Chapter 17 17.1 17.1.1 17.1.2 17.2 |  | | Book (edition) | | sharpness of bands, possibly the characteristic fine structure of an v vi Foreword electronic transition...original results: short description of the crystal structure, optically active colour centres and luminescence.... . . . . . . . . . . . . . . . 4.1.4 Calcite, Island Spar and Aragonite CaCO3 . . . . . . . . . . 4...accommodated in interconnected polyhedra of the mineral structure. This term used to describe absorption mechanism...and the other is used for separating a specific region in the luminescence spectrum. The second monochromator |
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