-----1. State the specific name of the age concept which refers to the occurrence of a geologic event or phenomenon measured in the number of years ago
-----2. Name the family of rocks which form directly from the cooling of molten rock material
-----3. State the name of all molten rock material
-----4. State the name of the mantle portion comprised of viscous or hot plastic-like material
-----5. State which portion of the core (inner or outer) is comprised of liquid
-----6. State the name of the rigid outer shell of the Earth consisting of the crust and upper solid mantle
-----7. Name the category of plate boundary in which rock plates move away from the boundary
-----8. State the general term which refers to the "breaking down" of rock or mineral material
-----9. Name the family of rock which is the most likely to contain an abundant record of fossils
----10. State the name of the time division which lasts the longest
----1. cation
----2. type of chemical bond involving sharing of electrons
----3. atomic mass of atom
----4. an oxide mineral
----5. results from 3 more electrons than protons in an atom
----6. a sulfate mineral formula
----7. a sulfide mineral
----8. a carbonate mineral
----9. single most abundant group (class) of minerals
---10. daughter
----2. Which of the following igneous textures is associated with the term phenocrysts? a. phaneritic b. aphanitic c.porphyritic d. glassy e. pyroclastic
----3. Dark (calcic) plagioclase and pyroxene are essential minerals of which of the following? a. pumice b. tuff c. dunite d. andesite e. none of the above
----4. Which of the following is a concordant igneous body? a. lava flows b.batholith c. stock d. sill e. dike
----5. Which of the following does not have a phaneritic texture? a. peridotite b. granite c. andesite d. gabbro e. dunite
----6. Which of the following is not a volcanic rock? a. obsidian b. scoria c. pumice d. rhyolite e. granite
----7. Which igneous rock is described by the following: "vesicular texture comprised of minerals resulting in a dark or black rock color"? a. pumice b. obsidian c. basalt d. scoria e. none of the above
----8. The name of the discontinuous mineral which forms first from a cooling magma a. quartz b. calcic plagioclase c. sodic plagioclase d. olivine e. pyroxene
----9. Which of the following is not an igneous rock? a. pumice b. obsidian c. diorite d. marble e. andesite
---1. State the name given to blocky surface lava
---2. Name the most abundant volatile emitted by volcanoes
---3. Which type of volcanic deposit consists of steep sloped sides and comprised mainly of ejected pyroclastic or ejected lava fragments
---4. Based on composition alone, which of the following magmas associated with volcanism would result in the most explosive eruption?: rhyolite, basalt, andesite.
---5. Which of the follwing is not an extrusive rock? obsidian, granite, andesite
---6. State the specific name given to a collaspsed volcanic cone deposit
---7. Give the name of the most famous collapsed volcanic cone deposit the U.S.
---8. Magma composition high in what specific substance governs the mode or manner of volcanic eruption?
---9. Give the name of the special type of vocanic eruption of which Mount Pelee in the Carribbean is an example
--10. The prime type of volcanic deposit or volcano in the Cascade Mountain Range in the U.S. and other examples in the world as Mounts Kilamanjaro and Vesuvius is which (type)?