Download presentation
Presentation is loading. Please wait.
1
The Rock Cycle
2
Formation of new minerals
Metamorphosed Sedimentary Rock Formation of new minerals Recrystallization/deformation
3
Recrystallization
4
Recrystallization Limestone under microscope Marble under microscope
5 mm 5 mm
5
Differential stress and the development of Slate
6
Slate and Slaty cleavage
Product of differential stress at low metamorphic grade Slate under the microscope Cleavage Cleavage Bedding Bedding
7
Differential Stress and Folding
8
Slaty cleavage and folding
Fold under the microscope Cleavage Cleavage
9
Metamorphism and the formation of new minerals
Chlorite + muscovite = garnet + biotite + H2O Garnet (Fe,Mg)3Al2Si3O12 Chlorite (Mg,Fe)6(Si,Al)4O10(OH)8 Muscovite (KAl3Si3O10(OH)2) Biotite (KAl(Mg,Fe)3Si3O10(OH)2)
10
Shistosity defined by muscovite
Schist Shistosity defined by muscovite Muscovite schist Garnet-biotite schist
11
Gneiss Highest metamorphic grade Muscovite converted to feldspar 1 cm
12
Partial melting Formation of migmatites
13
Metamorphism of Shale Hornfels
14
Sheet silicates in Metamorphism
Muscovite (KAl3Si3O10(OH)2) Chlorite (Mg,Fe)6(Si,Al)4O10(OH)8 Biotite (KAl(Mg,Fe)3Si3O10(OH)2)
15
Metamorphic Index Minerals
Garnet (Fe,Mg)3Al2Si3O12 Staurolite (Fe,Mg)2Al9Si4O23(OH) Sillimanite Al2SiO5
16
The Aluminosilicate minerals (Al2SiO5) and metamorphic grade
Kyanite Staurolite Andalusite Sillimanite
17
The Aluminosilicate minerals and metamorphic grade
18
Metamorphic reactions and metamorphic grade
Muscovite + Quartz = K-feldspar + sillimanite + H2O Sillimanite Quartz K-feldspar Muscovite
19
Metamorphic Facies
20
Basalt metamorphosed to different facies
Greenschist facies (chlorite) Basalt metamorphosed to different facies Amphibolite facies (Ca-amphibole) Blueschist facies (Na-amphibole)
21
Basalt at very high metamorphic grade
Granulite facies Pyroxene, garnet Basalt at very high metamorphic grade Eclogite facies Na-pyroxene, garnet
22
Mineralogy and Metamorphic Facies
23
Metamorphic Facies and P-T Paths
24
Metamorphic path during subduction
25
Metamorphic path during continental collision
26
Kilauea eruption of 2014
27
Kilauea 2014 eruption in late October
28
Kilauea eruption in late October 2014
29
Kilauea eruption in late October 2014
30
Kilauea eruption in late October 2014
31
Measuring the temperature of the Kilauea lava flow
32
Metamorphic Map
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.