What is that word from unit 1
The layer of the upper mantle composed of low-density rock material that is semiplastic.
What is the asthenosphere?
A diagram of rock processes.
What is the rock cycle?
The mechanical weathering process in which water in the dcracks of rocks freezes and expands, widening the cracks.
What is ice wedging?
The breaking down fo rocks by chemical processes.
What is chemical weathering?
The landmass below a fault.
What is a footwall?
The area around the earth that is affected by the earth's magnetic field.
What is the magnetosphere?
The process of change in structure and composition of a rock.
What is metamorphism?
The wearing down of rock surfaces by other rocks or sand particles.
What is abrasion?
A narrow ditch cut in the earth by runoff.
What is a gully?
The type of stress produced by two tectonic plates coming together.
What is compressional stress?
It has distinct bands of minerals heated and squeezed into layers.
What is follated rock?
The color of the powder left by a mineral when it is rubbed against a hard surface.
What is streak?
A fossil that is useful for dating and correlating the strata in which it is found.
What is an index fossil?
The breaking down of rock by physical processes.
What is mechanical weathering?
A mountain chain that forms in the ocean floor where tectonic plates pull apart.
What is oceanic ride?
The process that transforms layers of rock fragments into sedimentary rock.
What is lithification?
The imaginary lines measuring north or south of the equator
What is latitude?
The eroded surface that lies between two groups of strata.
What is an unconformity?
A fossil of a track, trail, or burrow.
What is a trace fossil?
The process of one tectonic plate being pushed under another tectonic plate.
What is subduction?
The belief that matter and energy are all that exist ad that undirected processes formed the universe.
What is naturalism?
The process of mountain formation.
What is orogenesis?
A process in which the organic portion of an organism is infiltrated or replaced with minerals.
What is petrifaction?
The type of stress produced by two tectonic plates sliding past each other horizontally.
What is shearing?
The point at which one tectonic plate meets another
What is plate boundary?