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Erschienen in:
1991 | OriginalPaper | Buchkapitel
Thermal Models of Cooling
verfasst von : G. Buntebarth
Erschienen in: Equilibrium and Kinetics in Contact Metamorphism
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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The Ballachulish intrusion consists of concentric rings of quartz diorite, monzodiorite and granite in the centre. This suite of rocks intruded Lower Dalradian metasediments, consisting mainly of pelite with minor quartzite. Petrological investigations (Pattison, Chap. 16; Troll and Weiss, Chap. 3, this Vol.) estimate an emplacement depth of the intrusion of 10 km, and a pre-intrusion temperature of the metasediments as approximately 250 but not more than 300°C (Pattison and Voll, Chap. 2, this Vol.).