Exam 14: Sediment and Sedimentary Rocks

Continental environments include all of the following except __.

_______ limestones are precipitated through the actions of organisms.

Clay is the finest sediment.

The principle of superposition states that in a stack of horizontal layers the oldest layer is on top.

Most shale contains both clay-sized and silt-sized particles.

A(n)___ is sandstone containing a significant amount of feldspar.

Plate tectonics do not influence the distribution of sedimentary rocks.

____ limestones have a clastic texture.

Sedimentary rocks can form from the deposition of solid particles eroded from pre-existing rock or from the deposition of the hard parts of organisms.

______ is the general term for the processes that convert loose sediment into sedimentary rock.

A(n)____ is a body of sediment deposited when a river flows into standing water,like a lake or sea.

_____ are massive deposits of limestone.

Sediments are unconsolidated,which means the grains are separate and unattached to one another.

The environment of deposition is determined by the location in which deposition occurs.

A(n)______ is sandstone in which more than 15% of the rock's volume consists of fine-grained matrix.

A sedimentary rock that consists of sediment grains bound by cement into a rigid framework is called _______.

A _____ is a layer of sedimentary rock with a vertical change in particle size,usually from coarse at the bottom to fine at the top.

Limestone is a sedimentary rock composed mostly of the mineral calcite.

___ is a hard,compact,very fine-grained sedimentary rock composed entirely of silica.

A sandstone with more than 25% sand-sized feldspar is an arkose.