Class Notes (811,039)
Canada (494,452)
Lecture 20

Lecture 20 -Minerals and Energy

1 Page
Unlock Document

Western University
Earth Sciences
Earth Sciences 1022A/B
Stephen R Hicock

Lecture 20 NotesMineral and Energy y Metallic Mineral Deposits o Called ore if mined for profit o Magmatic early crystal settling of chromite magnetite platinumLate crystallization of lightest minerals in pegmatites usually dykes o Hydrothermal hot fluids with metals precipitate ore in vein deposits gold silverDisseminated deposits spread throughout host rockVolcanogenic massive sulphide deposits in ancient seafloor at oceanic ridges o Sedimentary banded iron formation n Precambrian seaPlacer deposits of gold diamonds by running water o Metamorphism skarns by plutons cooking limestone o Weathering bauxite forms in tropics provides aluminum ore y Nonmetallic Resources o Aggregate and stone crushed stone sand gravel mined for concrete and asphaltCut stone for decorationConstruction y Industrial Minerals diamonds for abrasives gemstones
More Less

Related notes for Earth Sciences 1022A/B

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.