What Phenocryst Minerals Would You Expect to Find in an Aphanitic

question 51

Multiple Choice

What phenocryst minerals would you expect to find in an aphanitic rhyolite flow?

• A)quartz and K-feldspar
• B)intermediate (Ca-Na)plagioclase and amphibole or pyroxene
• C)Ca-rich plagioclase and olivine
• D)apatite and muscovite

Calculate the time it takes for investments to double given specific compounded interest rates.

Identify the impact of interest rates on the value of bonds and securities before maturity.

Understand and compare the effects of different interest rates on investment growth over time.

Calculate the average annual rates of change for demographic or financial data.

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