Date post: | 23-Dec-2015 |
Category: |
Documents |
Upload: | lesley-hopkins |
View: | 214 times |
Download: | 0 times |
Modern Concepts in Earth Science
Igneous RocksFormed in Rift
Igneous RocksFormed Above
Subducting Plate
Course 7 – Igneous Rocks
Modern Concepts in Earth Science
Extrusive Igneous Rock
Modern Concepts in Earth Science
Intrusive Igneous Rock
Modern Concepts in Earth Science
Bowen’s Reaction Series
Modern Concepts in Earth Science
Igneous Rock Classification by Composition
Modern Concepts in Earth Science
Gabbro Basalt
Mafic Rocks
Modern Concepts in Earth Science
AndesiteDiorite
Intermediate Rocks
Modern Concepts in Earth Science
Granite Rhyolite
Felsic Rocks
Modern Concepts in Earth Science
Peridotite Komatiite
Ultramafic Rocks
Modern Concepts in Earth Science
Ternary Diagrams
Modern Concepts in Earth Science
Modal Classification of Igneous Rocks
(foid)-bearing Trachyte
(foid)-bearing Latite
(foid)-bearing Andesite/Basalt
(Foid)ites
10
60 60
35 65
10
20 20
60 60
F
A P
Q
Rhyolite Dacite
Trachyte LatiteAndesite/Basalt
Phonolite Tephrite
Quartz-richGranitoid
9090
6060
2020Alkali Fs.Quartz Syenite
QuartzSyenite
QuartzMonzonite
QuartzMonzodiorite
Syenite Monzonite Monzodiorite
(Foid)-bearingSyenite
5
10 35 65(Foid)-bearingMonzonite
(Foid)-bearingMonzodiorite
90
Alkali Fs.Syenite
(Foid)-bearingAlkali Fs. Syenite
10
(Foid)Monzosyenite
(Foid) Syenite
(Foid)Monzodiorite
(Foi
d) G
abbr
o
Qtz. Diorite/Qtz. Gabbro
5
10
Diorite/Gabbro/Anorthosite
(Foid)-bearingDiorite/Gabbro
60
(Foid)olites
Quartzolite
Granite Grano-diorite
Tonalite
Alka
li Feld
spar
Gra
nite
Q
A P
F
60Q = Quartz
A = Alkali Feldspar
F = Feldspathoids
P = Plagioclase
VolcanicPlutonic
Modern Concepts in Earth Science
Igneous Textures
Aphanitic texture - basalt Phaneritic texture - granite
Modern Concepts in Earth Science
Porphyritic texture - Granite Volcanic Glass - Obsidian
Igneous Textures
Modern Concepts in Earth Science
Volcaniclastic Rock - Pyroclastic Flows Pegmatite
Igneous Textures
Modern Concepts in Earth Science
Summary of Igneous Rock Texture and Composition
Modern Concepts in Earth Science
Continental Large Igneous Provinces
Modern Concepts in Earth Science
Geothermal Gradient
Modern Concepts in Earth Science
Melting Temperatures (Dry Igneous Rocks)
Modern Concepts in Earth Science
Melting Temperatures (Wet Igneous Rocks)
Modern Concepts in Earth Science
Decompression melting
Modern Concepts in Earth Science
The Role of Water
Modern Concepts in Earth Science
Magmatic Differentiation and Assimilation
Modern Concepts in Earth Science
The Andesite Line
Modern Concepts in Earth Science
Structure of Oceanic Crust and Formation of Ophiolites
pillow basalt
sheeted diabase dike swarms
gabbro
layered gabbro
mantle peridotite, dunite,
lherzolite, or hartzbergite.