Sedimentary rocks made up of alternating thin layers of chert and iron minerals, mostly the iron oxides such as
hematite and magnetite, are called ____.
a. banded iron formations (BIFs)
b. limestones
c. sand dunes
d. evaporates
e. blue-green algae
a
You might also like to view...
What information can we get out of linear or planar strain markers?
What will be an ideal response?
The stratosphere:
A) is part of the heterosphere. B) has a low moisture content compared to the troposphere. C) typically gets colder as elevation increases. D) is where much of Earth's weather occurs.
Which of the following diffuses from the mitochondria into the cytoplasm?
A) argininosuccinate B) carbamoyl phosphate C) citrulline D) ornithine
In what setting does the thickest sediment accumulate in the oceans?
A. mid-ocean ridges in any location in the ocean B. continental shelves and slopes along passive margins C. oceanic trenches in the middle of the ocean D. abyssal plain in the middle of the ocean