Chapter 12 - Layered Mafic Intrusions - Faculty web pages
Chapter 12 - Layered Mafic Intrusions - Faculty web pages
Chapter 12 - Layered Mafic Intrusions - Faculty web pages
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Layering<br />
layer: any sheet-like cumulate unit distinguished by<br />
its compositional and/or textural features<br />
uniform mineralogically and texturally<br />
homogeneous<br />
non-uniform<br />
uniform vary either along or across the<br />
layering<br />
graded = gradual variation in either<br />
mineralogy<br />
grain size - quite rare in gabbroic LMIs