Contents
Chapter 1 Introduction | 1 |
FIGURES | 2 |
Chapter 2 Regionally metamorphosed rocks | 8 |
Copyright | |
20 other sections not shown
Common terms and phrases
Aberdeen area Aberdeen Formation Aberdeen mass abundant amphibole amphibolites analyses andalusite assemblages Belhelvie Belhelvie mass biotite bodies boundary cent channels clasts clay Clinterty Collieston Collieston Formation composition constituents contain cordierite corundum corundum-bearing country rocks Cove crystals Dalradian deformation deposits display drill holes dykes Ellon Formation evidence exposures feldspar felsite ferromagnesian fibrolite Figure fine-grained folds foliation garnet grains granitic granitic rocks hornfelses igneous rocks intrusion irregular lamprophyric layers lithological banding localities e.g. magnetic Magnification map area margin matrix meltwater metasedimentary metasediments migmatitic migmatitic granite minerals muscovite noritic occur olivine orthopyroxene outcrops pelites pelites and semi-pelites plagioclase Plane polarised light Plate porphyroblasts potash feldspar preferred orientation psammitic Quarry quartz recognised recrystallisation regionally metamorphosed rocks relatively relict rocks e.g. sand and gravel Sheet 77 area sillimanite Southern unit structures sub-unit suggest textural thermal metamorphism thick trend troctolitic ultramafic rocks valley variations xenoliths Younger Basic zone