SB171122-3A (rock sampling)
收藏Global Change Master Directory (GCMD)2021-10-08 更新2026-04-25 收录
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https://cmr.earthdata.nasa.gov/search/concepts/C2244306733-AMD_KOPRI.html
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资源简介：
Sample SB171122-3A is a fine-grained granitic rock within migmatitic gneiss of Mt. Murchison. Since the formation age (SHRIMP U-Pb zircon) of this sample is confirmed as 495 ± 4 Ma, metamorphic (migmatization) age of the Mt. Murchison migmatitic gneiss could be synchronous with this age. Combined three samples' data within same outcrop yield a metamorphic age of 498.3 ± 3.4 Ma.
提供机构：
AMD_KOPRI
创建时间：
2021-10-08
