minerals quiz

Which of the following Igneous classifications has the least amount of silica content?

• Ultramafic

• Felsic

• Mafic

• Intermediate

What is the sedimentary rock that has rounded particles that are bigger than 2mm?

• Sandstone

• Conglomerate

• Shale

Which of the following is the correct igneous mineralogic pair?

• Basalt- gabbro

• Granite - diorite

• Rhyolite- peridotite

• Andesite- gabbro

An example of chemical sedimentary rock

• Sandstone

• Limestone

• Rock salt

• Shale

True or False. The transportation of sedimentary particles by water or wind determines how rounded and well sorted the grains will be

• True

• False

The number of electrons in an atom always equals the number of...

• protons

• neutrons

• Protons + neutrons

How are minerals classified?

• Hardness

• Anions

• Cations

• Protons

What is the term for the alignment of grains in a metamorphic rock?

• folitation

• bedding planes

• layering

True or False. The atomic number of an element can vary but the atomic mass cannot

• False

• True

Crystals that form in slowly cooling magma are generally ___.

• nonexsistent

• invisible

• visible with the unaided are

• microscopic