Your SlideShare is downloading. ×
Composition of igneous rocks
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Introducing the official SlideShare app

Stunning, full-screen experience for iPhone and Android

Text the download link to your phone

Standard text messaging rates apply

Composition of igneous rocks

219
views

Published on

Published in: Technology, Education

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
219
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
13
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Name: __________________________ Date: ___________ Period:________ Composition of Igneous RocksDirections: Using your knowledge of Earth Science and the Scheme forIgneous Rock Identification chart on page 6 of your ESRT, answer thefollowing questions.1. A sample of periodite was found to be 20% pyroxene, what percentage of the rock is olivine?2. A sample of granite was found to be 50% potassium feldspar, what percentage of the rock is quartz, plagioclase feldspar, biotite, and amphibole.3. A sample of rhyolite was found to be 15% amphibole, what percentage of the rock is potassium feldspar, quartz, plagioclase feldspar, and biotite.4. A sample of gabbro was found to be 15% plagioclase feldspar, what other minerals are present and what percentage of the rocks composition do they make up?