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Geomechanics2 - Rock Types

Rock Types & classification

Adrian McCallum

on 6 September 2017

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Transcript of Geomechanics2 - Rock Types

Geomechanics Week 2
Rock types & classification
What types of rocks are there?
What's the significance of rock type for engineers?
Why is mineral type important for engineers?
What's a mineral?
A naturally occurring, inorganic solid element or compound with a defined range of chemical composition and a characteristic atomic structure.
There's a few good reasons...
Next week
In this lecture.....
What are minerals?
What types of rocks are there?
What's the significance of rock type?
What's an element?
What's a compound?
How are minerals & rocks related?
Minerals are the building blocks of rocks


Rocks are composed of minerals.
How are they formed?
An element:
A compound:
What did we cover last week?
How does it link with this week?
Let's have a quick look at some examples.
From: http://geology.csupomona.edu/drjessey/class/Gsc101/Mineral.html
What are the primary minerals on earth?
From: http://www.sandatlas.org/minerals/
Take 5 minutes...
Padlet: http://padlet.com/icysolns/USCENG312
Padlet: http://padlet.com/icysolns/USCENG312
Silicates: Silicates are minerals that contain SiO4 tetrahedra in their crystal structure.
Columnar basalt @ Buderim building site
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