Sedimentary Rocks
hard clastics (1-3 mm) pressured into rock
What is sandstone?
Fan-shaped deposit at the end of a river
What is a delta?
Pioneer species that grips rocks using acid
What is lichen?
The mechanism(s) that drives plate movement.
What are convection currents, density differences/subduction zones?
The seismic wave that can travel through both solid and liquid.
What is a P-wave?
small flakes settled in the deep ocean millions of years ago
What is shale?
The curves in a river
What is a meander?
Uses seasons to crack rock
What is ice wedging?
The three types of plate boundaries.
What are convergent, divergent, and transform?
The location on the surface of the lithosphere directly above the focus.
What is the epicenter?
Sand and pebbles together in bedrock
What is conglomerate?
The hollow at the bottom of a Niagara Falls
What is a plunge pool?
Acid rain dripping washing away limestone statues
What is chemical weathering?
Three pieces of evidence Wegner used to support his theory of continental drift.
What are fossils, matching coastlines, and ancient climates?
The area that is blocked from receiving S-waves due to the liquid in the inner core.
What is the shadow zone?
Includes halite (salt) and gypsum
What are evaporites?
The tops of mesas were once part of this
What is a plateau?
V-shaped valley
Two different landforms or events associated with a subduction zone.
What are volcanoes, island arcs, trenches?
An area where magma is hotter than surrounding magma causing melting and thinning of the crust. Volcanoes are common here.
What is a hot spot?
I have sinkholes, caves, stalactites, and stalagmites.
What is karst topography?
Mountains & volcanoes formed by the Pacific plate subducting under the North American plate
What are the Cascade mountains?
Distance and time
The thinner and more dense type of lithosphere.
What is oceanic crust?
What is the ring of fire?