Which of the following is an example of a nonconformity
a. two containers hold the same radioactive isotope.
b. sedimentary layers that are parallel to each other above and below an erosive surface.
c. the sedimentary layers above an erosive surface
d. younger sedimentary strata overlie uplifted and weathered igneous or metamorphic rocks
e. none of the above.
d. younger sedimentary strata overlie uplifted and weathered igneous or metamorphic rocks
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What is an ebb current?
a. The rise in sea level as a tide crest approaches b. The rise in sea level as a tide trough approaches c. The fall in sea level as a tide trough approaches d. The fall in sea level as a tide crest approaches e. A time of no currents
The concave lower portion of a typical slope is called a
A) waning slope. B) pediment. C) debris slope. D) free face.
The _______________ equinox occurs on or about September 22
Fill in the blank(s) with correct word
The principle of superposition states that within a sequence of undisturbed sedimentary rocks, the layers get younger going from bottom to top.
Answer the following statement true (T) or false (F)