Geologic Time Crossword

A term that typically describes a species that no longer has any known living individuals.
A drill core of ice that can help tell the climates of the past.
The smallest subdivision of geologic time.
A subdivision of geologic time that is longer than an age but shorter than a period.
A subdivision of an era on the geologic time scale.
A subdivision of an eon on the geologic time scale.
The largest division of geologic time.
A system of chronological dating that relates geological strata to time.
A break in the earth's crust where movement has occurred.
Term that refers to layers of sedimentary rock.
An igneous rock layer formed when magma hardens beneath Earth's surface
n igneous rock layer formed when lava flows onto Earth's surface and hardens
A type of rock that forms from the cooling of molten rock at or below the surface.
A place where an old, eroded rock surface is in contact with a newer rock layer.
A principle that states that an inclusion (any material trapped inside a mineral as it forms) must be older than the rock it is enclosed in.
A principle that states that an igneous rock, fault, or other geologic feature must be younger than any rock across which it cuts.
The geologic principle that states that in horizontal layers of sedimentary rock, each layer is older than the layer above it and younger than the layer below it.
States that sedimentary rock layers are laid down in horizontal layers and so if they are titled something has disturbed them.
Earth processes occurring today are similar to those that occurred in the past