A Porphyritic Texture Where Large Crystals Are Embedded in a Matrix

question 103

Multiple Choice

A porphyritic texture where large crystals are embedded in a matrix of small crystal may form when ________.

• A)climate change causes crystals to cool at different rates
• B)crystals of different compositions cool at different rates
• C)crystals of different compositions grow to different sizes
• D)a magma that has partially crystallized slowly moves to a different location where it then cools rapidly.

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Definitions:

Accounts Receivable

Money owed to a company by its customers for goods or services delivered or used but not yet paid for.

Allowance for Doubtful Accounts

A contra-asset account used to estimate the portion of receivables that may not be collectible.

Contra Asset

An account on a company's balance sheet that reduces the total amount of an asset, such as accumulated depreciation.

Normal Balance

In accounting, the normal balance is the side (debit or credit) of an account that is usually increased. For example, asset accounts normally have a debit balance, while liabilities and equity accounts have a credit balance.