Geology and Fossils of Arizona

The video provides an overview of the geology in central Arizona, focusing on the Tucson area. It covers the types of rocks and rock units found in the region, including Proterozoic granites, Paleozoic sedimentary rocks, and Mesozoic volcanic formations. The video also discusses the mineralization associated with these rocks, particularly in relation to copper mining. Additionally, it explores the Cenozoic volcanic activity and the unique Sky Islands of Arizona. The video concludes with an invitation to join future geology field trips.

What is the age of the Proterozoic granites found in central Arizona?

• 2 billion years

• 3 billion years

• 1.5 billion years

• 500 million years

Which formation is characterized by a middle limestone member with a distinct modeled look?

• Escabrosa Limestone

• Bolsa Quartzite

• Abrego Formation

• Martin Limestone

What type of fossils are commonly found in the Escabrosa Limestone?

• Crinoid fragments

• Trilobites

• Dinosaur bones

• Ammonites

Which mineral is associated with the deep blue color found in Mesozoic rocks?

• Pyrite

• Vanadinite

• Malachite

• Azurite

What is the primary metal produced from the copper mining districts in central Arizona?

• Silver

• Gold

• Iron

• Copper

What geological feature is formed by the extensional forces in the Basin and Range province?

• Fault-block mountains

• Folded mountains

• Volcanic cones

• Plateaus

Which mineral is known for its green color and is found in Cenozoic volcanic rocks?

• Hematite

• Calcite

• Quartz

• Olivine

What is the nickname given to the isolated mountain ranges in southeast Arizona?

• The Sky Islands

• The Rocky Peaks

• The Desert Mountains

• The High Ranges

What type of rock is commonly found in the youngest material of the Cenozoic era?

• Granite

• Basalt

• Alluvium

• Sandstone

What is the main mineral constituent of limestones found in central Arizona?

• Feldspar

• Calcite

• Mica

• Quartz