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Across
1.The solid mineral material forming part of the surface of the earth and other planets.
5.The interior structure of the Earth, similar to the outer, is layered.
8.A sedimentary rock consisting of at least 50% calcium carbonate (CaCO2) by weight.
9.The process of disintegration of rocks without chemical change
12.A sedimentary rock composed of sand-sized particles
13.Hot molten of semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
16.rock formed by the solidification of molten magma.
18.A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity.
19.Metamorphism resulting exclusively or largely from rock deformation, principally faulting and folding.
21.A general term applied to the wearing away and movement of earth materials by gravity, wind, water and ice.
22.large mass of intrusive igneous rock believed to have solidified deep within the earth.
23.This is the outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle.
24.Derived from magma poured out or ejected at the earth's surface. Used of igneous rocks.
Down
2.A hard dark, glasslike volcanic rock formed by the rapid solidification of lava without crystallization
3.a mountain or hill, usually having a cuplike crater at the summit, formed around such a vent from the ash and lava expelled through it.
4.Is the breakdown of rocks by chemical mechanisms
6.A solid inorganic substance of natural occurrence.
7.An intrusion is liquid rock that forms under the surface of the earth.
10.rock formed from consolidated clay sediments.
11.a rock composed of broken pieces of older rocks.
14.rock altered by pressure and heat.
15.often referred to as brown coal.
17.A major subdivision of Earth's internal structure. Located between the base of the crust and overlying the core.
20.Hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.

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