| | Journal (article/letter/editorial) | TREMORGIO (CANTON TICINO) AS A POSSIBLE QUARTERNARY METEORITE IMPACT CRATER IN THE SWISS ALPS Kurt Bachtiger...the author had, some years ago, the idea of a meteorite impact crater in the Quarternary, i.e. 20-50,000...some interpretations will be attempted. 171 K Meteorite Type (ppm) johnstown (whole rock) Di 853...Total Ar 39_Ar40 age (G.Y.) 4.38 4.07 maximum Meteorite minimum Bjurbole 4.12 3.46 3.96 3.98 1.62 ... An agglutinate is born when a primary micro-meteorite impact (velocity - 20 km/sec) melts a little surface | | | Book | fourfold rotary inversion axis in c. Example: the meteorite mineral schreibersite (Fe,Ni)3P. 5 4/m, tetr.-dipyramidal:... . Fig. 4.6 Cosmic nickeliron, (Fe,Ni). Iron meteorite (octahedrite) from Joe Wright Mountain, Arkansas...(7 Chap. 31; 7 Sect. 32.2). The biggest iron meteorite so far known has a weight of about 60 t and is...Canada (40 kt), India (35 kt), Russia (25 kt), Ukraine (20 kt), Norway (16 kt), and Pakistan (14 kt)....microdiamonds are found in meteorite craters where, due to the impact of a big meteorite, the adjacent country |
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