Candelaria Formation, Nevada
Topic: Earth
From HandWiki - Reading time: 2 min
| Candelaria Formation Stratigraphic range: Induan | |
|---|---|
| Type | Formation |
| Lithology | |
| Primary | Shale |
| Other | Limestone |
| Location | |
| Coordinates | [ ⚑ ] : 38°06′N 118°06′W / 38.1°N 118.1°W |
| Paleocoordinates | [ ⚑ ] 12°06′N 41°36′W / 12.1°N 41.6°W |
| Region | Nevada |
| Country |  United States |
| Type section | |
| Named for | Candelaria Hills |
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The Candelaria Formation is a geologic formation in Nevada, United States . The formation comprises shales and limestones deposited in an open marine environment and preserves fossils dating back to the Induan (Griesbachian to Dienerian) age of the Early Triassic epoch.[1][2][3] Outcrops of the Candelaria Formation are present in the Candelaria Hills southeast of the now abandoned mining town of Candelaria (Mineral and Esmeralda counties), and near Willow Springs (Nye County).[2]
Fossil content
Invertebrates
Among the invertebrates, fossils of the following species of ammonoids, nautiloids, and bivalves have been recovered from the formation:[2][3]
- Ambites lilangensis
- Ambites aff. radiatus
- Claraia aurita, C. clarai, C. stachei
- Clypites cf. evolvens
- Grypoceras cf. brahmanicum'
- Meekoceras cf. tenuistriatum
- Microconchus sp.
- Mullericeras fergusoni, M. spitiense
- Parahedenstroemia kiparisovae
- Proptychites haydeni, P. pagei
- Proptychites cf. ammonoides, P. cf. trilobatus
- Radioceras kraffti
- Ussuridiscus sp.
- Vavilovites sp.
Vertebrates
Among the vertebrates, fossils of the following species of ray-finned fishes[2][4] have been collected from the formation:
See also
- List of fossiliferous stratigraphic units in Nevada
- Paleontology in Nevada
References
- ↑ Candelaria Formation at Fossilworks.org
- ↑ 2.0 2.1 2.2 2.3 Muller, Siemon Wm.; Ferguson, Henry G. (1939). "Mesozoic stratigraphy of the Hawthorne and Tonopah quadrangles, Nevada". GSA Bulletin 50 (10): 1573–1624. doi:10.1130/GSAB-50-1573. Bibcode: 1939GSAB...50.1573M.
- ↑ 3.0 3.1 Ware, David; Jenks, James F.; Hautmann, Michael; Bucher, Hugo (2011). "Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanography.". Swiss Journal of Geosciences 104: 161–181. doi:10.1007/s00015-011-0055-3. https://www.zora.uzh.ch/id/eprint/47305/8/ZORA_NL_47305.pdf.
- ↑ Romano, Carlo; López-Arbarello, Adriana; Ware, David; Jenks, James F.; Brinkmann, Winand (April 2019). "Marine Early Triassic Actinopterygii from the Candelaria Hills (Esmeralda County, Nevada, USA).". Journal of Paleontology 93 (5): 971–1000. doi:10.1017/jpa.2019.18. Bibcode: 2019JPal...93..971R.
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