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in sediments in the
Eromanga Basin. However the abundance of iron-rich and organic sediments have led to an anoxic sub-seafloor well-suited for anaerobic, pyrite-producing bacteria. It was suggested that during the periods of uplift, erosion, and denudation opals were formed due to acidic oxidative
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Dettmann, M. E.; Molnar, R. E.; Douglas, J. G. (1992). "Australian cretaceous terrestrial faunas and floras: biostratigraphic and biogeographic implications".
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represents remnants of the river plains that filled the basin left by the
Eromanga Sea. The formation is a major source of dinosaur fossils.
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in GAB. It was suggested that the
Eromanga Sea was shallow, cold, muddy, and stagnant, which have led to little amount of
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Opalisation of the Great
Artesian Basin (central Australia): an Australian story with a Martian twist
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63:. Its southern extents comprised lagoons and rivers, and to the east it reached
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SPLENDOR IN THE OUTBACK: A VISIT TO AUSTRALIA’S OPAL FIELDS
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The sea covered large parts of what is now
Queensland and
94:(GAB) was flooded by the Eromanga Sea and filled with
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102:. A theory was proposed explaining the abundance of
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200:Tao Hsu, Andrew Lucas, and Vincent Pardieu
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74:at least four times during the early
171:Australian Journal of Earth Sciences
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111:weathering during 97 to 60 Ma.
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31:that formed the bottom of the
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179:10.1080/08120099.2013.784219
142:10.1016/0195-6671(92)90001-7
55:. The sea extended from the
27:lies atop a layer of marine
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16:Cretaceous sea in Australia
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98:sediments eroded from the
100:Cordillera's volcanic arc
190:MINERAL TREASURES - OPAL
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257:Former lakes of Oceania
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252:Geology of Australia
92:Great Artesian Basin
49:Australian continent
25:Great Artesian Basin
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130:Cretaceous Research
51:that formed in the
78:. The present-day
61:Carpentarian Basin
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72:Central Australia
59:northward to the
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80:Winton Formation
53:Early Cretaceous
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173:, May 22, 2013
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136:(3): 207–262.
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57:Eromanga Basin
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35:Eromanga Sea.
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155:EROMANGA SEA
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41:Eromanga Sea
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65:Surat Basin
47:across the
246:Categories
228:26°S 140°E
165:P.F. Rey,
115:References
108:carbonates
76:Cretaceous
45:inland sea
67:, a bay.
29:sandstone
233:-26; 140
43:was an
33:inland
219:140°E
104:opals
86:Opals
216:26°S
90:The
39:The
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175:doi
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