ESS 101 Final: Metamorphic Rocks
exam 100% Accurate!!
Foliated metamorphic rocks ______. - ANSWERS1. typically form in zones of regional metamorphism
2. require heat and pressure
Which metamorphic rock has been subject to the lowest grade of heat and pressure? - ANSWERSslate
Why is "roof pendant" metamorphosed? - ANSWERSigneous magma bodies intrude pre-existing country
rock and metamorphase it along the contact zone
Why is hematite, muscovite, and olivine the most dominant minerals compromising most beach sand? -
ANSWERSthey're not.
Which mineral group accounts for most of our extractable source of iron ore deposits? - ANSWERSoxides
A nonfoliated metamorphic rock would likely form _____. - ANSWERSfrom constant of pre-existing
country rock with igenous pluton
Which metamorphic rock has been subjected to contact metamorphism (not foliated)? -
ANSWERSquartzite
Which metamorphic rock has been subjected to highest grade of heat and pressure? - ANSWERSgneiss
Why is quartz the most common mineral found in beach sand around Puget Sound? - ANSWERSquartz is
lighter than all other minerals and can br washed further by waves
Why is hematite, muscovite, and olivine the most dominant minerals compromising most beach sand? -
ANSWERSthey're not.
exam 100% Accurate!!
Foliated metamorphic rocks ______. - ANSWERS1. typically form in zones of regional metamorphism
2. require heat and pressure
Which metamorphic rock has been subject to the lowest grade of heat and pressure? - ANSWERSslate
Why is "roof pendant" metamorphosed? - ANSWERSigneous magma bodies intrude pre-existing country
rock and metamorphase it along the contact zone
Why is hematite, muscovite, and olivine the most dominant minerals compromising most beach sand? -
ANSWERSthey're not.
Which mineral group accounts for most of our extractable source of iron ore deposits? - ANSWERSoxides
A nonfoliated metamorphic rock would likely form _____. - ANSWERSfrom constant of pre-existing
country rock with igenous pluton
Which metamorphic rock has been subjected to contact metamorphism (not foliated)? -
ANSWERSquartzite
Which metamorphic rock has been subjected to highest grade of heat and pressure? - ANSWERSgneiss
Why is quartz the most common mineral found in beach sand around Puget Sound? - ANSWERSquartz is
lighter than all other minerals and can br washed further by waves
Why is hematite, muscovite, and olivine the most dominant minerals compromising most beach sand? -
ANSWERSthey're not.
