On Earth, such deposits are most commonly sedimentary rocks deposited at the bottoms of seas and lakes, but rocks altered by hydrothermal processes (e.g., hot springs) may also have hosted lifeforms.
(such deposits; are; most commonly sedimentary rocks deposited at the bottoms of seas and lakes; L:On Earth) (most commonly sedimentary rocks; deposited; at the bottoms of seas and lakes) (rocks; altered; by hydrothermal processes) (rocks altered by hydrothermal processes (e.g., hot springs); may also have hosted; lifeforms)
such deposits most commonly sedimentary rocks rocks rocks altered by hydrothermal processes (e.g., hot springs)
are deposited altered may also have hosted
most commonly sedimentary rocks deposited at the bottoms of seas and lakes L:On Earth
at the bottoms of seas and lakes
by hydrothermal processes
lifeforms