geo quiz q's Flashcards
Which rock type can contain fossils?
Sedimentary rocks
Which of the following makes up the sediment that forms an organic sedimentary rock?
plant fibers
Which of the following rocks composed of silt- and clay- sized particles displays fissility
shale
____ describes the range in particle sizes in a detrital sedimentary rock
sorting
Which is the most abundant chemical sedimentary rock?
limestone
____ are tiny “seed” particles created when small sediments or shell fragments are rolled by waves in water supersaturated with calcium carbonate.
Ooids
Compaction will be the most significant lithificaiton process for which if the following rocks?
Shale
A____ describes the observation of successive changes in a laterally continuous sedimentary layer that are visible and are interpreted as a result of many depositional processes taking place over a large area.
Facies.
____ weathering is when physical forces break solid rock into smaller sediments
Mechanical
Which of the following is not an agent of erosion?
Heat
What is the most important agent of chemical weathering?
Water
Which acid is commonly responsible for the dissolution of limestone?
Carbonic
_____ is a soil that has bedrock as its parent material
residual soil
_____ are the primary source of organic matter in soils
plants
Which horizons make up the topsoil?
O and A horizons
Which soil horizon can hold more water due to the accumulation of fine clay particles?
B horizon
______ is a material’s resistance to flowing.
Viscosity
With the exception of volcanoes associated withe a subduction zone, most volcanic islands are ___ volcanoes.
Shield
In order to cover such large expanses of seafloor, shield volcanoes erupt____ lava.
basaltic
A_____ is a submarine volcano.
Seamount
Lavas errupting from composite cones are generally ____-rich, making them very viscous.
Silica
What kind of volcano is most closely associated with pyroclastic flows?
Composite cone
Along which plate boundary will chains of composite cone volcanoes be located?
Convergent Boundary
Kilauea is a volcano created by _____
Intraplate volcanism
