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Your description of a pyroclastic rock indicates that it's dominated by accretionary lapilli (80%) that you interpret as having formed in the eruptive column, but also contains substantial (20%) volcanic ash.  What is the rock name?_____________________________

Your description of a pyroclastic rock indicates that it's dominated by accretionary lapilli (80%) that you interpret as having formed in the eruptive column, but also contains substantial (20%) volcanic ash.  What is the rock name?_____________________________

Applications and Investigations in Earth Science (9th Edition)
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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Please read over the questions carefully and answer the questions and label the corresponding diagram (attached image 1). (I have also added a closer up image of the bottom left diagram (image 2). 

Show your calculations and plot each rock on the appropriate blank classification diagram on the back of this page. Label your plotted points with the corresponding question number and label the corners of the diagram. 

5. Your description of a pyroclastic rock indicates that it's dominated by accretionary lapilli (80%) that you interpret as having formed in the eruptive column, but also contains substantial (20%) volcanic ash. 

What is the rock name?_____________________________ 

WL% (Na20+ K20) 14 12 2 Foldite Tephrite Basanite Piero Phono- tephryte Trachy basalt Dasall Tephri phonolite Basaltic trachy 60 Trachydacite Trachy (20 %) andesite andesite Trachyte (q-20%) Basaltic andesite Andesite 56 WL% S102 Dacite Rhyolita 1 76 simoms brm OS OM 80 VOY E clads Kanslov doon om at adW phaslov notalt 1 gilid alidW LEO Mwk d Com doon sili zi tad
Transcribed Image Text:WL% (Na20+ K20) 14 12 2 Foldite Tephrite Basanite Piero Phono- tephryte Trachy basalt Dasall Tephri phonolite Basaltic trachy 60 Trachydacite Trachy (20 %) andesite andesite Trachyte (q-20%) Basaltic andesite Andesite 56 WL% S102 Dacite Rhyolita 1 76 simoms brm OS OM 80 VOY E clads Kanslov doon om at adW phaslov notalt 1 gilid alidW LEO Mwk d Com doon sili zi tad
Na₂O+K₂0 2 0 4 16 12 10 14-- 6 alkali rhyolite quartz alkali rhyolite alkali trachyte A foid-bearing alkali trachyte phonolite ultramafic basanite (01 > 10%) 10 picro- basalt 40 44 tephrite (01<10%) mafic foidite phono- tephrite phonolitic foidite trachy- basalt basalt quartz trachyte trachyte foid-bearing trachyte 10 60 tephri- phonolite tephritic phonolite intermediate phonolite 90 basaltic trachy- andesite trachy- andesite basaltic andesite foid-bearing latite quartz latite andesite 48 52 56 60 SiO₂ F 50 trachyte (Q<20%) trachydacite (Q>20%) felsic 90 dacite foidite 60 basalt & andesite tephritic foidite 64 68 72 rhyolite phonolitic basanite (olivine > 10%) phonolitic tephrite (olivine < 10%) P 76 basanite (olivine > 10%) tephrite (olivine < 10%) bus inco spontaneously only minerals (and other and entropy. Enthalpy is the h bonds of a substance substance are differ substance B will rel. measure of "randor tightly bonded aton of an element in a ga the same element in the entropy of tha entropy of an elem Waals' bonds is his
Transcribed Image Text:Na₂O+K₂0 2 0 4 16 12 10 14-- 6 alkali rhyolite quartz alkali rhyolite alkali trachyte A foid-bearing alkali trachyte phonolite ultramafic basanite (01 > 10%) 10 picro- basalt 40 44 tephrite (01<10%) mafic foidite phono- tephrite phonolitic foidite trachy- basalt basalt quartz trachyte trachyte foid-bearing trachyte 10 60 tephri- phonolite tephritic phonolite intermediate phonolite 90 basaltic trachy- andesite trachy- andesite basaltic andesite foid-bearing latite quartz latite andesite 48 52 56 60 SiO₂ F 50 trachyte (Q<20%) trachydacite (Q>20%) felsic 90 dacite foidite 60 basalt & andesite tephritic foidite 64 68 72 rhyolite phonolitic basanite (olivine > 10%) phonolitic tephrite (olivine < 10%) P 76 basanite (olivine > 10%) tephrite (olivine < 10%) bus inco spontaneously only minerals (and other and entropy. Enthalpy is the h bonds of a substance substance are differ substance B will rel. measure of "randor tightly bonded aton of an element in a ga the same element in the entropy of tha entropy of an elem Waals' bonds is his
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