The mineral chemistry of zoned amphiboles in the metabasites indicates a progressive evolution from greenschist, amphibolite facies to amphibolite-granulite facies, being consistent with increasing Ti, Al and (K + Na) from core to rim.
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- 變基性巖角閃石環(huán)帶的礦物化學(xué)分析結果表明:從核部到邊部,鈦、鋁、(鈉+鉀)含量增長(cháng),反映了從綠片巖相到角閃巖相或角閃巖-麻粒巖相的進(jìn)變質(zhì)演化過(guò)程;
