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Introduction and acknowledgments
introduction and acknowledgments
15 other sections not shown
aegirine Alaska albite alkali altered amount amphibole ankerite apatite basic basic rocks basic silicate rocks Beaver Creek biotite biotite-sovite boplassen breccia Brogger calcite carbonate rocks Central Yukon chlorite complex composition consists constituents contact contains content Creek crystals Damtjern damtjernite dark developed different direction distr distribution district Dopma dykes Eagle Summit fault feldspar Fen area fenite fine-grained fissures flint formation formed found fragments gabbros genesis given gneiss grains granitic great Gruben haematite headwaters hele high hornblende ijolite ilmenite indicates iron ore deposits known Kobber large limestone limestone ridge liquid localities magma magmatic magnetite matrix Melteig melteigite metasomatic minerals nepheline occurrence occurs olivine phenocrysts plagioclase present probably pyroxene pyroxene-sovite quantities quarry quartz rauhaugite rauhaugite of type rodberg same seems seen side similar skifer small solutions sovite species stage structure substance temperature titaniferous iron ore Tjøtta transformed Tufte usually veins Vipeto vipetoite White Mts whole zone