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2 Myrmekite formed during Kmetasomatism. ... Myrmekite formed during Kmetasomatism. Rim myrmekite on zoned plagioclase against interstitial microcline ...
... either Narich plagioclase or Kfeldspar, ... primary Kfeldspars exhibit rim replacement by Krich secondary feldspar.
Hydrothermal alteration of plagioclase and growth ... K ... of primary plagioclase, secondary Na ...
SUBSURFACE HYDROTHERMAL ALTERATION IN THE ULUMBU GEOTHERMAL FIELD, FLORES, INDONESIA ... Albite is present only as a replacement of primary plagioclase.
... quartz, and clay mainly occur as replacement of plagioclase. ... Kfeldspar after plagioclase and secondary ... plagioclase, quartz, primary and secondary ...
MYRMEKITE AND METASOMATIC GRANITE, ISSN ... Replacement Of Primary Plagioclase By Secondary K ... Different Styles Of KFeldspar Replacement Of Plagioclase.
Heat Source Movements in Lahendong Geothermal Field and ... 2. Replacement of primary ... minerals cavity and as replacement of plagioclase and pyroxene in ...
... solution at 600°C and 2 kbars. The replacement is ... by albite: observations from hydrothermal experiments. Authors; ... K 2 O are present in ...
Textures of Igneous Rocks: ... Ca, Na, K; Rhyolitic magma SiO 2 6575%, low in Fe, Mg ... Ophitic texture laths of plagioclase in a coarse grained matrix of ...
Imprint of meteoric water on the stable isotope compositions of igneous and secondary minerals, ... (2) primary ig
2. REPLACEMENT OF PRIMARY PLAGIOCLASE BY ... replacement of primary plagioclase by secondary microcline and myrmekite occur. ... probe analyses show that K 2
Imprint of meteoric water on the stable isotope compositions of igneous and secondary ... primary igneous ... stable isotope compositions of igneous and ...
Proceedings of the Ocean Drilling Program, Scientific Results ... secondary minerals is summarized in Table 2, ... partial replacement of primary Plagioclase,
ping of tetrahedral sheets from half the biotite 2 ... essentially the replacement ... more altered where it abuts a plagioclase than where it touches quartz or K ...
relative modal proportions of primary and secondary ... (fraction of total 2 vol. %), a prominent Kfeldspar vein ... early albitization of primary plagioclase ...
interstitial to and replacing igneous plagioclase; some of this 2 ... Primary and secondary plagioclase both display a strong lattice ... Secondary plagioclase ...
Petrography of the Rosses Granite Complex ... the extensive replacement of plagioclase by coarse ... (Figs I and 2). Plagioclase aggregates, ...
In early stage of Kfeldspar replacement of plagioclase, the K ... of microfractured primary plagioclase, this replacement is ... Where secondary K ...
nor the myrmekite are primary but are secondary and resulted from ... the remnant islands of optically parallel plagioclase in K ... Total Kreplacement, ...
The plagioclase feldspars are a set of minerals that ... SELECTIVE STAINING OF KFELDSPAR AND PLAGIOCLASE ON ... 2. REPLACEMENT OF PRIMARY PLAGIOCLASE .
Hydrothermal alteration of plagioclase in granitic rocks ... Secondary minerals ... Replacement of plagioclase by Kfeldspar Subsequent shift ...
vermicular kaolinite epitactic on primary phyllosilicates in the weathering profiles of anorthosite g1 ... pi = plagioclase; k = kaolinite; ...
2 Myrmekite formed during K ... Collins explains the formation of myrmekite by: the Kmetasomatic replacement of deformed primary plagioclase by secondary K ...
2. REPLACEMENT OF PRIMARY PLAGIOCLASE BY ... Growth of Kfeldspars and plagioclase by replacement processes in rock of the ... to CaAl 2 Si 2 O 8 (Anorthite)
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