Geology Reference
In-Depth Information
Figure 19-10:
Rock
types indicating a
marine regression.
In some regions, these seas became so shallow that they dried up, leaving rocks called
evaporites.
Evaporites
are minerals that form as water evaporates (see Chapters 6 and
7). In other regions, extensive reefs were built by reef-building invertebrates that later
became geologic deposits of limestone.
