volcano
what are the three main types of volcanoes?
composite shield and cinder cone
what is the definition of fossil?
the remains of something that once lived
What is a tectonic boundary?
Where two plates are moving away from each other and a new crust is forming
what volcano has the most ash?
composite
what are the seven types of fossils?
preserved, index, cast, mold, petrified, carbon film, trace
What are the different types of plate tectonic boundary's?
Convergent, Divergent, Transform
what is tephra?
rock fragments and particles ejected by a volcanic eruption
what kind of fossil has a very thin layer that you can only see with a microscope?
carbon film
What is a transform boundary?
Where two plates slide past each other
what is a composite volcano?
a steep hill consisting of glassy volcanic fragments
what type of fossil is spread throughout different layers of the earth?
index
What is a Convergent boundary?
When CC and OC plates collide
what is the definition of a shield volcano?
a broad domed volcano with gently sloping sides
what kind of fossil is made when when minerals replace all or part of an organism?
petrified
Is CC or OC more dense?
OC is more dense