new phases occur in order to highlight the conditions of alterations occurring in the microscopic scale.
Based on earlier publications, many impactmelt zones indicative of high temperature are present in Zagami ( Malavergne et al. 2001
Mittlefehldt , D.W. , M.M. Lindstrom
2001 : Petrology and geochemistry of Patuxent Range 91501, a clast-poor impactmelt from the L-chondrite parent body and Lewis Cliff 88663, an L7 chondrite . – Meteoritics and Planetary Science 36 , pp. 439
( Stöffler et al. 1991 ). Wittmann et al. ( 2010 ) studied LaPaz Ice Field clastic impactmelts of meteorites, of which the metal-sulfide texture indicated impact temperatures between 950 and 1,500 °C and proposing the age of impact event years on the H