APSC 151 MIDTERM PREP 100% Correct Verified 2024 Version

APSC 151 MIDTERM PREP | 100% Correct | Verified | 2024 Version The process of unloading can produce: (a) joints (b) mud cracks (c) pillows (d) cross-bedding (e) leaching - a An unconformity, like the one in the Kingston area, is best defined as: (a) a layer of rocks with very unusual fossils (b) a basal conglomerate (c) a layer of sedimentary rocks (d) a thin, tabular or sheet-like, igneous intrusion (e) a time gap in the rock record - e Weathering produces minerals that are more stable at the Earth's surface. Of the five minerals listed below, which one is the most abundant product of the weathering process: (a) clay (b) hematite (c) limonite (d) quartz (e) feldspar - a For which group do both minerals have a sheet structure? (a) muscovite, clay (b) feldspar, quartz(c) hornblende, pyroxene (d) plagioclase, pyroxene (e) olivine, hornblende - a Which of the following rock types is most likely to be well-sorted? (a) greywacke (b) limestone (c) quartz sandstone (d) glacial till (e) arkose - c Which of the following lists is in correct order going from lower to higher grade of regional metamorphism? (a) slate, gneiss, mica schist (b) mica schist, slate, gneiss (c) mica schist, gneiss, slate (d) gneiss, slate, mica schist (e) slate, mica schist, gneiss - e What is the main factor that controls the rate of weathering of rocks? (a) grain size of the rock (b) degree of unloading (c) topography (d) rock type (e) climate - e Which of the following rock pairs would both be most likely to contain feldspar grains? (a) mudstone, shale (b) banded iron formation, phyllite (c) quartz sandstone, chalk (d) limestone, marble(e) arkose, granite - a Abundant evidence of fossils of life-forms that made hard protective shells did not appear in the geologic record until how long ago? (a) 3.5 billion years (b) 5 billion years (c) 65 million years (d) 600 million years (e) 300 million years - d At which of these locations are fissure eruptions most prominent? (a) subduction zones (b) mid-ocean ridges (c) central Canada (d) the Andes mountains (e) Mt. Pinatubo - b Which of the following rocks is least likely to have a foliation? (a) schist (b) slate (c) gneiss (d) marble (e) migmatite - d The Hawaiian Islands are located where the Pacific plate is: (a) separating from the North American plate (b) diving under Japan (c) diving under the North American plate(d) migrating over a hot spot