Rocks Minerals Li Chung Ming Pavel Zinin Can
- Slides: 37
Rocks & Minerals Li Chung Ming, Pavel Zinin
Can you tell which is a rock, and which is a mineral?
Where can we find rocks?
Where can we find rocks?
Where can we find rocks? Soil Bed Rocks
Are all the rocks the same?
Not really Different places may have very different types of rocks
How different are these rocks?
They are different in color
How different are these rocks?
They are different in shape angular boulders round boulders
How different are these rocks?
They are different in texture no pores many pores
How different are these rocks?
They are different in grain size coarse grain fine grain
How different are these rocks?
They are different in mineral distribution very random very organized
How different are these rocks?
They are different in structure massive (hard to break apart) plate-like (easy to break apart)
Geologist divides the rocks into three major types
(A) igneous rocks -- from fire
(B) Sedimentary rocks-- from water
(C) Metamorphic rocks – rocks that have been changed
Rock Cycle (See Video Clip)
What is a mineral? A mineral is from nature Diamond in kimberlite pipe, S. Africa
What is a mineral? A mineral has a fixed composition diamond carbon (C)
What is a mineral? A mineral has its atoms arranged regularly.
Rocks & Minerals A rock is an aggregate of minerals. Minerals make up the rocks.
The hardest mineral on earth
The most abundant mineral on the earth’s surface quartz (rock crystal)
The mineral that splits the light calcite (Ca. CO 3)
The mineral that we eat daily Halite (table salt) --Na. Cl
The mineral that likes a stack of papers mica – a sheet silicate
The mineral that attracts iron metals magnetite – an iron oxide (Fe 3 O 4)
The green mineral in Hawaii Olivine – a silicate
The yellow mineral that fools many people Pyrite (fool’s gold) an iron sulfide (Fe. S 2)
The rock that floats on water Pumice – a volcanic rock