rock crossward Crossword

This printable crossword puzzle on the topic of Rocks & Minerals has 10 clues. Answers range from 3 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

name a rock with large crystals?
what is the name of a rock with layers?
how many cm's does a mountain wear away over 1 thousand years?
name a rock that fits with small crystals?
what is the name of a rockmade by intense heat or pressure while forming?
what is lava called in the ground?
what type of rok is basalt?
what does mudstone turn in to when put under low pressure?
what is magma called above the ground?
what rock has fossils in that fits?