Fig. 3 in An Unusual Tasmanian Tertiary Basalt Sequence, Near Boat Harbour, Northwest Tasmania
Main Authors: | Sutherland, F. L., Hendry, D. F., Barron, B. J., Matthews, W. L., Hollis, J. D. |
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Format: | info Image Journal |
Terbitan: |
, 1996
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Subjects: | |
Online Access: |
https://zenodo.org/record/4659065 |
Daftar Isi:
- Fig. 3. Alkaline feldspar compositions «50% An) for Cassidys Creek groundmass, segregation, xenolith replacement, xenolith and megacryst phases plotted in an Ab-Or-An diagram. Anorthoclase; nephelinite groundmass (solid circle), nepheline hawaiite segregation (inclined cross), nepheline mugearite (upright cross), megacryst (asterisk). Sanidine; nephelinite mariolite (solid centred circle), lherzolite replacement (solid square). K-oligoclase; anorthosite (circled cross), andesine-2pyroxene granulite (dot). Feldspars from related rocks are joined by solid lines. Temperature isotherms at 1000 bars come from the experimental work of Seck (1971), with equilibrium plagioclase-alkali feldspar compositions at 900°C and 500 bars connected by tie lines.
- Published as part of Sutherland, F. L., Hendry, D. F., Barron, B. J., Matthews, W. L. & Hollis, J. D., 1996, An Unusual Tasmanian Tertiary Basalt Sequence, Near Boat Harbour, Northwest Tasmania, pp. 131-161 in Records of the Australian Museum 48 (2) on page 135, DOI: 10.3853/j.0067-1975.48.1996.285, http://zenodo.org/record/4659059