1. What is the diagram above called? 2. Explain and elaborate on the usage of the diagram.

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Related questions
Question
100%
Question Completion Status:
Na₂O + K₂0 wt%
R
10
8
4
2
0
foidite
5 €
tephrite
(ol<10%)
T
basanite
(ol>10%)
picro-
basalt
F6
phono-
tephrite
Ultrabasic Basic
40
A
trachy
basalt
basalt
6
basaltic
trachy-
andesite
50
1. What is the diagram above called?
2. Explain and elaborate on the usage of the diagram.
FZ
trachy-
andesite
basaltic andesite
andesite
Figure 3 Rock classification diagram on the basis of SiO₂ and Na₂O plus K₂O
contents
F8
trachydacite
(q> 20%)
&
7
Intermediate
60
SiO₂ wt%
*
dacite
8
rhyolite
Silicic or Acid
70
F10
(1)
80
(3)
O
PrtScr
Transcribed Image Text:Question Completion Status: Na₂O + K₂0 wt% R 10 8 4 2 0 foidite 5 € tephrite (ol<10%) T basanite (ol>10%) picro- basalt F6 phono- tephrite Ultrabasic Basic 40 A trachy basalt basalt 6 basaltic trachy- andesite 50 1. What is the diagram above called? 2. Explain and elaborate on the usage of the diagram. FZ trachy- andesite basaltic andesite andesite Figure 3 Rock classification diagram on the basis of SiO₂ and Na₂O plus K₂O contents F8 trachydacite (q> 20%) & 7 Intermediate 60 SiO₂ wt% * dacite 8 rhyolite Silicic or Acid 70 F10 (1) 80 (3) O PrtScr
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