10 Questions
What is the basic unit of lithostratigraphic units?
Formation
Which lithostratigraphic unit is a subunit of a formation?
Member
What is the distinctive layer 1cm – 2m thick that is distinguishable from layers above & below called?
Bed
What type of unit is described as two or more formations with significant features in common?
Group
What is a section that represents an actual column of rock drawn to show rock type, thickness, deformation, inclusions, and used for correlation across geographic areas called?
Correlation section
Subsurface geology only involves the study of geological features found on the surface of the Earth.
False
The subsurface geologist is concerned with the distribution, thickness, character, attitude, depths, sequence, correlation, fossil content, and geologic age of the subsurface rock layers.
True
The regional stratigraphic section is where formations are measured, described, and named from subsurface observations.
False
The structural geology at the surface is of little importance to the three-dimensional interpretation.
False
Geophysical surveys have yielded only indefinite indications of subsurface structural conditions during the reconnaissance phase.
True
Test your knowledge of geological correlation with this quiz. Explore concepts such as lithostratigraphic, chronostratigraphic, and biostratigraphic units, and learn about formations and their significance in understanding rock types and geological history.
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