In this guide, the word batten is reserved for sawn supports Margin strictly the area, but more commonly the length, of the exposed part of the slate Metamorphism the process, involving heat, pressure or both, which changes the direction in which sedimentary rocks split.
(the word batten; is reserved; for sawn; L:In this guide) (sedimentary rocks; split; L:the direction) (more commonly the length, of the exposed part of the slate; involving; heat, pressure or both) (both; changes; the direction in which sedimentary rocks split)
the word batten sedimentary rocks more commonly the length, of the exposed part of the slate both
is reserved split involving changes
for sawn L:In this guide
L:the direction
heat, pressure or both
the direction in which sedimentary rocks split