Banded Iron Formations Are Complex Rocks That Consist of

question 22

Multiple Choice

Banded iron formations are complex rocks that consist of

• A) oxides, sulfides, or carbonates of iron interlayered with thin beds of chert.
• B) interlayered thin beds of calcite and aragonite, and beds of chert.
• C) interlayered beds of limestone and dolostone, and beds of chert.
• D) thin beds of chemical and biogenic sediments, which are interlayered with chert.

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Definitions:

Internal Rate

Often shorthand for Internal Rate of Return (IRR), this is a metric used in financial analysis to estimate the profitability of potential investments.

Crossover Point

Crossover Point refers to the level of activity or the time at which two options have the same cost or benefit, making them indifferent choices.

Mutually Exclusive

Situations or events that cannot occur at the same time, where the occurrence of one event precludes the occurrence of the other.

Profitability Index

A financial tool used to measure the relative profitability of an investment, calculated by dividing the present value of future cash flows by the initial investment cost.