 | Grieve, R. A. F., Reny, G., Gurov, E. P., Ryabenko, V. A. (1987) The melt rocks of the Boltysh impact crater, Ukraine, USSR. Contributions to Mineralogy and Petrology, 96 (1) 56-62 doi:10.1007/bf00375525 | Journal (article/letter/editorial) | | Springer-Verlag 1987 The melt rocks of the Boltysh impact crater, Ukraine, USSR* R.A.F. Grieve 1, G. Reny ~,...Abstract. The 100• 12 m.y., 25 km diameter Boltysh impact crater was formed in Precambrian granites and granite...granite gneisses of the Ukrainian Shield. The crater deposits have undergone minimal post-impact erosion...circulating ground-waters. Introduction The Boltysh impact crater located at 48~ 32~ some 850 km south-west...(Masaitis 1974; Y u r k et al. 1975). Boltysh is a complex crater, approximately 24 km in diameter, with |  | | Journal (article/letter/editorial) | | minerals in impact melt rocks of the Boltysh structure, Ukraine E. P. GUROV*, S. B. SHEKHUNOVA, and V...National Academy of Sciences of Ukraine, Gontchara Str., 55b, Kiev, Ukraine * Corresponding author. E-mail:...opaque minerals from the impact melt rocks of the Boltysh structure, in the central part of the Ukrainian...the basement granites of the Boltysh structure. INTRODUCTION The Boltysh impact structure, a circular...Golubev et al. 1974; Yurk et al. 1975) (Fig. 1). The crater was formed 65.82 0.74 Ma ago and was identified |  | | Book | | structures 7.7.2. Thermal evolution of the Ries impact crater 7.7.3. Tektites Sea-Floor Spreading Archaeological...at., 1973; Komarov and Raichlin, 1976), impact crater glasses (Gentner et at., 1969b; Gentner and Wagner...(Section 5.5.1). An example is the Ries meteorite crater, where apatite and sphene fission-track ages of...core penetrating the crystalline floor of the Ries crater (Miller and Wagner, 1979). Depending on the degree...reveals information on the age and mechanism of crater formation (Section 7.7). Another example of an |
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