Buddingtonite (NH4-feldspar) in the Condor Oilshale Deposit, Queensland, Australia
| Autor: | F. C. Loughnan, F. Ivor Roberts, A. W. Lindner |
|---|---|
| Rok vydání: | 1983 |
| Předmět: |
Calcite
Mineral 010504 meteorology & atmospheric sciences Geochemistry engineering.material 010502 geochemistry & geophysics Feldspar 01 natural sciences Buddingtonite Siderite chemistry.chemical_compound chemistry Geochemistry and Petrology visual_art Illite visual_art.visual_art_medium engineering Kaolinite Pyrite Geology 0105 earth and related environmental sciences |
| Zdroj: | Mineralogical Magazine. 47:327-334 |
| ISSN: | 1471-8022 0026-461X |
| DOI: | 10.1180/minmag.1983.047.344.07 |
| Popis: | Buddingtonite of similar composition and properties to that described from the type area, is uniformly distributed throughout the upper 600 m of strata in the Condor Oilshale Deposit near Proserpine, Queensland. The mineral, which constitutes up to 16% and averages nearly 10 % of the strata, is associated with abundant montmorillonite, siderite, and quartz as well as minor amounts of disordered kaolinite, illite, calcite, pyrite, cristobalite, and an unnamed species of the jahnsite group. The buddingtonite is concluded to be of diagenetic origin. It developed in an ammonium-rich environment, most probably at significant depth within the mud beneath a stratified lake. Its progenitor, however, remains unknown. The occurrence of this mineral is also of interest in that ammonia could prove an important by-product in the commercial exploitation of the oilshales. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|