Geology study guide one

Physical Geology Exam 1 Study Guide

Why might a seventeenth-century map show California as an island. Partial melting of the oceanic plate occurs within the upper mantle. Strike-slip faults occur when rock units slide past one another, normal faults occur when rocks are undergoing horizontal extension, and reverse or thrust faults occur when rocks are undergoing horizontal shortening.

Meteorites Meteorites - Rocks that were once parts of planets or large asteroids. With isotopic dates, it became possible to assign absolute ages to rock units, and these absolute dates could be applied to fossil sequences in which there was datable material, converting the old relative ages into new absolute ages.

Siltstone Siltstone is a sedimentary rock composed mainly of silt-sized particles.

The addition of new rock units, both depositionally and intrusively, often occurs during deformation. The Greek philosopher Theophrastus recorded the first written work on minerals. Mineral Hardness Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.

Movement along faults can result in folding, either because the faults are not planar or because rock layers are dragged along, forming drag folds as slip occurs along the fault.

Ilmenite Ilmenite - The primary ore of titanium and source of most titanium dioxide. Transform Fault Boundaries - forms when two tectonic plates slide past one another. The Hawaiian Islandsfor example, consist almost entirely of layered basaltic lava flows.

Garnet Garnet is best known as a red gemstone. Trap Rock Trap Rock is a name applied to any dark-colored igneous rock used to produce crushed stone.

This upper layer allows the asthenosphere to remain separate from the overlying lithosphere. Liu Gang wants people to believe that the Chinese first discovered America. Ruby and Sapphire Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States. Read before you buy a tumbler.

Ridge Push — Because the ridge along a spreading center is elevated, gravity causes the newly formed slab to slide down from the crest of the ridge.

In the shallow crust, where brittle deformation can occur, thrust faults form, which causes deeper rock to move on top of shallower rock. Forensic Geology Forensic Geology My students come to class thinking that dirt is dirt and sand is sand Extension causes the rock units as a whole to become longer and thinner.

Amorphous — A substance that lacks ordered internal atomic arrangement. Emerald Emerald is the most popular green gemstone in the United States and most of the world.

Misconception Diamond Misconception - Many people think that diamonds form from coal. Dikeslong, planar igneous intrusions, enter along cracks, and therefore often form in large numbers in areas that are being actively deformed. The diagram illustrates both a cinder cone volcano, which releases ash, and a composite volcanowhich releases both lava and ash.

Botswana, Russia, Angola and Canada. Diamond Producers Diamond Production leaders include: Ant Hill Garnets Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill.

Typical fieldwork could consist of: Dowsing Dowsing is a method used to find underground water that is rejected by most geologists. In addition, these processes can occur in stages.

The Earth in Context

Rock Art Rock Art - People have been marking on rocks for thousands of years. Feldspars - There are two general types: Geology of Helium Helium is a byproduct of the natural gas industry.

Metamorphic - New rocks formed from existing sedimentary or igneous or metamorphic rocks that are subjected to heat and pressure. June 6, June 6, - The most powerful volcanic eruption of the 20th century.

There is a plan for naming tropical storms.

Rocks: Igneous, Metamorphic and Sedimentary

My recommendation is that you look over the questions, study to understand them, then write a response from memory, as though you were completing an essay exam, and afterward check it.

If there is something you don’t understand, bring it up in class. Geology Exam 1 Study Guide. Environmental Geology - Study Guide for Exams Here is a guide to help you focus on the important aspects of the chapters and class notes on discussions held in class. Geology (from the Ancient Greek γῆ, gē, i.e.

Geology and Earth Science News and Information

"earth" and -λoγία, -logia, i.e. "study of, discourse") is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time.

View Test Prep - Geology Study Guide 1 from GEOL at Rio Hondo College. GEOLOGY STUDY GUIDE: EXAM 1 CH. 1, 3, 4, 5 Chapter 1: Origin of the Universe Singularity the.

Geology Physical Geology has been evaluated and recommended for 3 semester hours and may be transferred to over 2, colleges and. The fault type is based on relative block motion. " Strike-slip fault.

# One block slides laterally past the other block. # There is no vertical motion across the fault. # The fault surface, however, is nearly vertical. 12 Faults in the Crust! GEOLOGY Study Guide Chapter Viewing now.

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