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[求助]
QFR与QFL的中文释义
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如题 QFR R：Rock fragments QRL L: aphanitic lithic fragments 求大神指点，R与L中文释义的差别在哪里 谢谢~~  |
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多谢酱油的捧场~~ 
3楼2013-07-10 21:13:56
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2楼2013-07-10 15:33:27
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4楼2013-07-10 21:28:52
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the traditional QFR method, where R stands for‘rock fragments’, and the ‘Gazzi-Dickinson’ QFL method where L stands for ‘aphanitic lithic fragments’. The main difference between these methods is the procedure used for the classification of sand- and gravel-grade rock fragments. The former method records these grains as rock fragments of a particular type (e.g. plutonic), whilst the latter records them as the specific sand- or gravel-grade mineral species (e.g. alkali feldspar) |
5楼2013-07-10 22:36:36