kvartsressurser i sør -norge eksempler fra evje-iveland og … · 2015-03-04 · quartz: deposits,...
TRANSCRIPT
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Kvartsressurser i Sør-Norge
Eksempler fra Evje-Iveland og Froland
Axel Müller1, Peter M. Ihlen1, Ben Snook1,2, Belinda Flem1
1 Norges Geologiske Undersøkelse 2 Camborne School of Mines
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Konsentrasjon av gitterbundne sporelementer i kvarts (SiO2)
Müller et al. (2012)
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Sør-norsk pegmatittbelte
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0
10
20
30
40
50
60
10 100 1000
Ti [p
pm]
Al [ppm]
NYF Froland, Norway
NYF Evje, Norway
LCT Borborema, Brazil
Sporelementer i kvarts (ppm)
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1
10
100
10 100 1000
Li [p
pm]
Al [ppm]
NYF Froland, Norway
NYF Evje, Norway
LCT Borborema, Brazil
Sporelementer i kvarts (ppm)
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Høyren kvarts
definisjon (Müller et al. 2012)
Froland Norge
Evje-Iveland Norge
Borborema Brazil
n=300 n=300 n=72
Al <30 45±23 94±58 265±180
Li <5 12±7 7±5 56±46
Ti <10 8±3 20±13 10±6
Ge <2 2±1 3±3 5±5
sum <50 67±34 124±79 336±237
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