Fill in the blanks to complete these sentences about rock characteristics. Arock is an
J of minerals,
The
of a rock is a result of its mineral composition.
Most rocks contain more than one type of

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.