GEO 401 Final Exam Review 2023 with 100% correct answers

If a magma chamber undergoes fractional crystallization during cooling, how will the remaining magma differ from the parent magma? - correct answer It will be more felsic What type of magma can be produced when upper-mantle peridotite undergoes decompression along mid-ocean ridges? - correct answer basaltic Mineral - correct answer -Naturally ocurring -inorganic element or compound -has an orderly internl structure and characteristic chemical composition, crystal form, and physical properties Example of a material that is NOT considered a mineral - correct answer glassy materials in fast cooling basalt In which subsystem is the Earth's magnetic field generated? - correct answer Geodynamo system Isotopes - correct answer Atoms of the same element that have different numbers of neutrons What needs to happen to bond Na and Cl to make NaCl? - correct answer One electron is transferred from the sodium atom to the chlorine atom How are elements in the periodic table organized? - correct answer in order of increasing number of protons Example of a type of convergent plate boundary - correct answer Subduction zone Principle of Uniformitarianism - correct answer the geologic processes we observed today have operated in the past Which boundary does the Mohorovic Discontinuity coincide with? - correct answer crust-mantle Which mineral crystallizes from magma at the lowest temperature? - correct answer quartz What do the magnetic stripes of alternating polarity along the mid-ocean ridges indicate? - correct answer Magnetic reversals of the Earth's magnetic field when the Earth's magnetic north and south poles flip