2007-03-17 09:53:52 · 3 answers · asked by mikey 1 in Science & Mathematics ➔ Earth Sciences & Geology
Schistosity is an example of planar feature in metamorphic rocks. They are features due to Regional Metamorphism that force micas and other soft minerals into layered alignments. Despite what another answer implied, primary bedding is not a metamorphic feature, it is a sedimentary feature. In highly deformed metamorphic rocks, primary bedding is usually overwritten and cannot be determined, except in specialized cases such a preservation in cordierite.
2007-03-18 12:45:14 · answer #1 · answered by Amphibolite 7 · 0⤊ 0⤋
The planar feature is known as foliation. It is an indication of which direction the pressure was coming from. The foliation is perpendicular to the angle for pressure.
2007-03-17 11:30:31 · answer #2 · answered by Professor Kitty 6 · 0⤊ 0⤋
if it contains planar features its called foliated
the simplest planar feature is primary bedding
2007-03-17 11:18:42 · answer #3 · answered by Hzl 4 · 1⤊ 0⤋