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Assessment Basin Histories and Properties
1. __________, the analysis of ages of polarity reversals of Earth’s magnetic field, has become a common method for developing a high-resolution time framework.
A .Biostratigraphy
B .Geostratigraphy
C .Magnetostratigraphy
D .Stratigraphy
2. Walther’s Law emphasizes:
A .time relationships among facies.
B .lateral connections of depositional environments.
C .continuity or discontinuity of vertical facies successions.
D .A, B and C
3. The tectonic subsidence equals the total subsidence minus vertical movements caused by surface loads.
A .True
B .False
4. Unconformities and depositional hiatuses are represented by:
A .strata.
B .intrastratal surfaces.
C .backstrip diagrams.
D .a sequence-stratigraphic framework.
5. _________ processes may result only in porosity reduction and not thickness reduction.
A .Grain deformation
B .Dissolution
C .Mechanical compaction
D .Cementation
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