CSUSB geol 101 test 4 Winkler – Flashcards

____ igneous rocks, like gabbro and basalt, are silica deficient with high magnesium and iron.

Where are most volcanoes located?

Viscosity is property of a fluid that relates to how easily the fluid flows. A material that is viscous _____.

Which one of these is a low silica rock that cooled slowly?

The crust beneath the world's oceans is mafic _____.

Which of the following is true about rocks and minerals? A. a rock can contain more than one mineral B. a mineral is composed of chemical elements C. a single rock can include more than one mineral D. all of these

Which one of these is a low silica rock that cooled at the surface?

Coarsely crystalline igneous textures indicate that:

____ is the predominant igneous rock of the continents.

What type of volcanic eruption is shown in this photograph?

Which of the following volcanoes is generally the largest?

_____ rocks have coarse crystals in a fine-grained matrix.

What determines the atomic number of an element?

Which one of these is a high silica rock that cooled slowly?

Which of the following are ways that viscosity affects gases in magma?

This is composed of multiple layers of ash and rock

Hawaii is an example of this type of volcano

In order for a particular type of material to be classified as a mineral, it must _____. A. be a solid B. occur naturally C. have a crystalline structure D. have a definite chemical composition E. all of the answers are correct

Which region in the continental U.S. has the highest hazard associated with volcanoes and why?

The most important class of rock-forming minerals on Earth is:

Which letter i n this classification table indicates the position of granite?

The atomic mass number of common oxygen is 16 because it has ____ protons and ____ neurons.

What determines the atomic mass of an element?

Which represents the atom of helium, a noble gas with an atomic number of 2?

What arrangement of atoms does this diagram illustrate?

This volcano is relatively small and composed of volcanic cinders. What kind of volcano is it?

Which volcanoes are most likely to explode and why?

The site on the accompanying figure that would most likely form a rock with large crystals is:

Which section of the diagram forms deep in the earth?

Which section of the diagram represents large-grained rocks?

Which section of the diagram includes high silica rocks?

Which section of the diagram represents small-grained rocks?

Which section of the diagram includes low silica rocks?

Which section of the diagram forms at the surface?

Most of the basalt and gabbro on the ocean floor is created at mid oceanic ridges, which are also _____.