GEO 401 BUNDLED Exams 2023 with 100% correct answers

Climate - correct answer -Average weather patterns in a particular area over the course of a year Greenhouse gases - correct answer -Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect. Greenhouse effect - c...

Radiocarbon is formed in ____________________. - correct answer -The upper atmosphere by N14 reacting with radiation. What climate variable might "clumped isotopes" measure? - correct answer -Temperature What are "clumped" isotopes? - correct answer -A temperature dependent affinity for he...

What is the principle of superposition? - correct answer -In a sequence of undisturbed layered rocks, the oldest rocks are on the bottom. What is the principle of horizontality? - correct answer -1. Layered strata are deposited under the influence of gravity as horizontal or nearly horizontal or ...

What is the age of our solar system? - correct answer -4.6 Ga In which layer of the earth could you most likely find O, S, Fe, Ni? - correct answer -Outer Core In which layer of the earth could you most likely find Fe, Ni? - correct answer -Inner Core In which layer of the earth could you m...

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 answ...

Stress - correct answer --Force per unit area that causes rocks to deform -units are Pascals -EX. confining and/or directed pressure Strain - correct answer -Amount of deformation expressed as a % of distortion Strength - correct answer --Rocks break when they fail, strength is exceeded -un...

The Earth's mantle is almost entirely A. solid B. liquid C. gas D. plasma - correct answer -A. solid What is the elemental composition of the Earth's inner core? A. Fe, Ni B. O, S, Mg, Fe C. Fe, Ni, S, K D. Ni, S, O, Al - correct answer -A. Fe, Ni Which of the following best characte...

The oldest minerals on earth are about 4 billion years old. The accepted age of earth (4.56 Ga) is based on the - correct answer -the age of meteorites which are thought to have formed at the same time as the earth Which of the following is true of lithospheric plates on earth - correct answer -L...

Bowens reaction series tells us that mafic minerals such as olivine and pyroxene crystallize from a magma chamber at relatively higher temperatures than felsic minerals such as K-feldspar and quartz. If a magma chamber undergoes fractional crystallization during cooling, the remaining magma should b...

water-saturated sediment - correct answer -seismic wave amplitudes are largest in what material? South Africa - correct answer -based on your knowledge of plate tectonics, which of the following countries has the least hazard of earthquakes? P wave - correct answer -A type of seismic wave that...

Metamorphic Rock - correct answer -mineralogy, texture and/or composition has changed due to pressure, temperature and/or fluids (and enough time) Metasomatic Rock - correct answer -A metamorphic rock whose whole bulk chemical composition was altered during interaction with fluids Role of Pres...

The Earth's upper mantle is mainly made of peridotite, an ultramafic igneous rock with lots of olivine crystals. Which type of magma can be produced when the upper mantle undergoes decompression melting of the upper mantle peridotite at mid-ocean ridges? - correct answer -Basaltic Seismic studie...

What characteristics would the ideal paleoclimate proxy have? - correct answer -A long term continuous quantitative record of key climate variables at all time scales over as wide a spatial range as possible. It never happens this way. If it grows millions of years, seasonal change, or quantitiative...

How old is the Earth? - correct answer -4.6 Billion years old In Geology we are interested in which three activities? - correct answer -past, present, future How long ago was the "Big Bang"? - correct answer -14 Billion years Principle of Uniformitarianism - correct answer -Earth processe...