In the Mississippi River delta in south Louisiana shallow subsurface imaging of the sediments reveal buried channels beneath delta sediments that are less than 10,000 years, and these channels extend offshore to the edge of the continental shelf
What is a simple explanation for these buried channels?
A) They represent giant flood events before the delta was formed and before the river formed.
B) Turbidity currents cut a submarine canyon on the shelf before the delta buried them.
C) They represent channels of the Mississippi river delta when sea level was lower, during the ice age.
D) The river must have been bigger in the past, cutting a channel clear to the edge of the shelf below sea level.
C
You might also like to view...
Over 10% of the world's population is actively engaged in urban agriculture
Indicate whether this statement is true or false
The oldest known elements in the periodic table are the ones with
A. odd looking atomic symbols. B. the lowest atomic numbers. C. the highest atomic numbers. D. atomic symbols that match their modern names.
Most igneous rocks in the Sierra-Nevada batholith formed form:
a. a hot spot beneath continental crust b. continental rifting c. ocean-continent convergence d. transform faulting
A humidity measure that remains constant as temperature and pressure change, and which is expressed as a mass of water vapor per mass (g/kg) of air, is
A) relative humidity. B) vapor pressure. C) the dew-point. D) specific humidity.