Geologic Time Crossword

Processes occurring today that happened in the past.
Rock is laid down horizontally
Each layer above the other is younger than the one under it.
States that any fault or rock is younger than what it cuts across of.
Any inclusion must be older than the rock it is enclosed in
Where old rock and new rock meet
Rock type that forms from the cooling of molten rock
Igneous rock layer form when lava flows onto earths surface
Igneous layer formed when magma hardens
Refers to layers of sediment.
A break in the earths crust where movement happened
Used to tell the history of the earth
Longest division of geologic time
A subdivision of an eon of the geologic time scale
Subdivision of an era
Subdivision of geologic time that is longer than an age but shorter than a period
Smallest subdivision of geologic time
Core of ice than can help tell the past
Describes species that died off and are no longer living on earth