Geology Crossword

the earliest 4.06 billion years of Earth's history and before the current Phanerozoic Eon
lasted about 53 million years and marked a dramatic burst of evolutionary changes in life on Earth
a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
technique used to date materials such as rocks or carbon
determining an age on a specified chronology in archaeology and geology
the science of determining the relative order of past events
an indefinite and very long period of time
The Cambrian Period is considered a(n) ____.
a division of time that is a subdivision of a period and is itself subdivided into ages, corresponding to a series in chronostratigraphy
a length or portion of time
hot molten
mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth
a rupture in the crust of a planetary-mass object
scientific theory that describes the large-scale motion of Earth's lithosphere
one of the very large sheets of rock that form the surface of the Earth
planar fracture or discontinuity in a volume of rock
the science that deals with the earth's physical structure and substance, its history, and the processes that act on it.
the action of surface processes that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location.