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摘要: 总结了钻石形成时的温度和压力的 3种计算方法:(1)利用钻石中共生包裹体矿物对的主要元素或微量元素的热力学平衡式与温压的关系;(2)利用钻石中氮杂质的浓度和聚集状态与其结晶温度和存留时间的关系;(3)利用钻石中橄榄石包裹体的拉曼光谱漂移与内应力及源区压力的关系。采用第 3种方法求得辽宁瓦房店钻石源区的压力为 5. 3 5～ 6.1 4GPa(采用的源区温度为 1 1 2 3℃), 此结果与前人用其它方法计算的结果相吻合。
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