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Earth History Vocabulary

Across
Makes new oceanic crust and also why our plates move
Fossil that is useful for doing and correlating the strata
A rather large interval of time
Molten material beneath or within the earths crust
Not there anymore
An indefinitely long period of time
Cycle of processes undergone by rocks
Two sub-layers of the earths crust
A particular time marked by distinctive
Law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers
The period of time to which anything belongs or is to be assigned
Fluid rock that issues from a volcano
(A rock formation)be broken by fault or faults
The process of eroding or being eroded by wind, water or other natural agents
First geological time period of the paleozoic era
Rock formed by the cooling and solidifying of molten material
Down
Any method of determining the age of earths materials
A tough outer part
The science that deals with the earths physical structure
Core sample that is typically removed from an ice sheet
Petrified form or as a mold or cast in rock
A rock which has been changed by extreme heat and pressure
Allow to spend a period perched on a block in the open air
The arrangement of artifacts or events in a sequence relative to one another
Rigid outer part of the earth, consisting the crust and upper mantle
Chronological dating that relates geological strata
Moves, floats and sometimes fracture and whose interaction causes continent drift
The determination of the age of a object with reference to a specific time scale
Nothing or pertaining to the earliest era of earths history
A vent in the earths crust through which lava, steam, ashes etc
Upward movement of part of the earths surface