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随州陨石含有很少几条宽度仅为0.02~0.09 mm的细熔脉, 在其中发现了多种冲击成因的高压相矿物, 如粗粒的NaAlSi3O8-锰钡矿、林伍德石、镁铁榴石以及细粒的镁铁榴石-镁铝榴石固熔体. 这是在含熔脉极细的球粒陨石中发现高压相矿物的第1例. 随州陨石熔脉中的锰钡矿结构斜长石为单质矿物相, 它不与钠长石玻璃一类的硅酸盐玻璃相结合在一起. 上述数种高压相矿物的存在限定了随州陨石熔脉内矿物所受的压力最高达23~24 GPa, 温度最高达1900~2000℃, 同时还说明随州陨石熔脉内高压状态的保持时间应较长(数秒钟), 这样才能使硅酸盐矿物在高压下进行固态相转变或从熔体中晶出. 在随州陨石中发现自然界第1例单相晶质NaAlSi3O8-锰钡矿, 对了解碱金属在深部地幔中的地球化学行为具有重要意义.
Suizhou meteorites contain a few fine-grained veins with a width of only 0.02-0.09 mm, in which high-pressure phase minerals such as coarse-grained NaAlSi3O8-manganese-barite, forestwood, And the fine-grained magadiite-guassale solid solution, which is the first case of high-pressure phase minerals found in the very fine chondrites with vein rupture.The manganese-barium structure in the vein of Suizhou meteorite Feldspar is a simple mineral phase that is not associated with silicate glasses such as albite glass.The presence of these high-pressure phase minerals limits the pressure on the minerals in the vein of Suizhou meteorites up to 23 ~ 24 GPa at temperatures up to 1900-2000 ° C. It also shows that the holding time of the intra-high pressure state of the meteorite vein in Suizhou should be long (a few seconds), so that the silicate minerals can undergo solid phase transformation under high pressure or melt from the melt In the meteorite found in Suizhou meteorite in the first case of single-phase crystalline NaAlSi3O8-manganese barium, to understand the geochemical behavior of alkali metals in the deep mantle is of great significance.