Why Can't Geologists Isotopically Date a Clastic Sedimentary Rock

question 12

Multiple Choice

Why can't geologists isotopically date a clastic sedimentary rock?

• A) They do not contain the appropriate minerals.
• B) These types of rocks do not contain enough of the appropriate minerals to date.
• C) The minerals would yield the date of when they crystallized in a metamorphic or igneous rock.
• D) The minerals would yield the date of when they weathered from their source material.

---

Definitions:

Anaphase II

A stage of meiosis II where sister chromatids are pulled apart by the spindle fibers and move toward opposite poles of the cell.

Synapsis

The pairing of two homologous chromosomes that occurs during meiosis, allowing for the exchange of genetic material between them.

Prophase I

The first stage of meiosis I where chromosomes condense, homologous chromosomes pair, and crossing-over can occur, enhancing genetic diversity.

Midplane

An anatomical term referring to an imaginary line or plane that divides the body into equal right and left halves.