Research PapersP.A. Norstedt & söner, 1974 - Geology |
Contents
Abstract | 4 |
Petrographic descriptions | 17 |
Chemical relations between the various granitoid groups with special reference | 70 |
Copyright | |
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Common terms and phrases
actinolite albite Almesåkra amphibole apatite Atomic ratios basic dikes basic rocks biotite Blekinge Ca-amphibole Ca/Ca+Na chemical analyses chlorite Coastal gneisses coexisting composition contents Cr/V diabase diabase dikes Diagram Differentiation Index dikes dioritic distribution epidote Eringsboda granitoid Eringsboda massif foliation Geol gneisses Gothian grains granite granitoid complex granodiorite H₂O Hedström Holmsjö hornblende igneous inclined crosses inclusions indicate intrusion K/Ar K/Ba K/K+Na Ledja magma Magnusson 1960a map area medium-grained metabasite dikes metamorphic Mg/Mg+Fe minerals Monzodiorite northeastern Blekinge occurs Older granitoids orthite pegmatites perthitic plagioclase plagioclase crystals Plate plots plutonic rocks porphyroblasts post-orogenic potash feldspar megacrysts Precambrian quartz quartzite Rb/Sr relations rock types samples Småland Småland granitoids sphene supracrustal Svecofennian Table tectonic temperature texture tonalite trace element trend Tving village twinning Västervik Welin western Blekinge whole-rock xenoliths Yasjö Younger granitoid area Younger granitoid groups Younger granitoids Youngest zircon zone