PLS Day #5- Parent Material

What is the primary parent material for most soils in West Virginia?

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

• Volcanic rocks

Which type of rock is formed through the cooling and solidification of molten rock from the Earth's core?

• Sedimentary rocks

• Lacustrine deposits

• Metamorphic rocks

• Igneous rocks

What are the major types of rocks that weather to form residuum?

• Metamorphic, lacustrine, and alluvial

• Igneous, sedimentary, and metamorphic

• Sedimentary, volcanic, and lacustrine

• Igneous, volcanic, and eolian

Which type of rock is formed when older rocks are broken apart and transported by natural forces?

• Sedimentary rocks

• Igneous rocks

• Alluvial deposits

• Metamorphic rocks

What type of deposits are formed by materials that move downslope by gravity and collect at the base of mountains?

• Colluvial deposits

• Eolian deposits

• Alluvial deposits

• Loess deposits

Which type of deposits are primarily composed of wind-blown silt grains?

• Lacustrine deposits

• Loess deposits

• Colluvial deposits

• Alluvial deposits

What type of deposits are formed by rock debris transported by mountain streams or rivers to the valley floor?

• Loess deposits

• Eolian deposits

• Colluvial deposits

• Alluvial deposits

Which type of rock forms under intense temperature and pressure but was originally quartz sandstone, limestone, and shale?

• Volcanic rocks

• Metamorphic rocks

• Sedimentary rocks

• Igneous rocks

What type of deposits are found in the western parts of West Virginia on the western-facing hill slopes next to the Ohio River Valley?

• Colluvial deposits

• Loess deposits

• Alluvial deposits

• Lacustrine deposits

Which type of deposits are formed in lakes and consist of alternating thin layers of light-colored, coarser-grained sediment and dark-colored, finer-grained sediment?

• Loess deposits

• Alluvial deposits

• Lacustrine deposits

• Colluvial deposits