The Late Archaean Fuping Group of the Xiaojue region in Pingshan County, Hebei Province contains three main metamorphic rock types, i.e. K felspar leucoleptite, semipelitic biotite leptite and biotite gneiss, and hornblendic rocks.
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- 河北平山小覺(jué)地區晚太古代阜平群含有三種主要表殼巖性質(zhì)的變質(zhì)巖類(lèi),即鉀長(cháng)淺粒巖類(lèi),黑云變粒巖-片麻巖類(lèi)和角閃質(zhì)巖石類(lèi)。