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Puerto Blanco - Unit 2, Pitiquito Municipality, Sonora, Mexico
| Formation | Puerto Blanco |
|---|---|
| Member | Unit 2 |
| Age: | 530 - 516 Ma Cambrian |
| Interval | Montezuman |
| Lithology | limestone, conglomerate |
| Number of Collections | 3 |
| Number of Occurrences | 23 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Gamuza Fm | Pitiquito Municipality, Sonora, Mexico | Puerto Blanco - Unit 2 |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Gamuza - Upper unit | 635 - 541 Ma Neoproterozoic | dolomite | 3 |
| La Cienega - Unit 1 | 541 - 530 Ma Cambrian | dolomite/packstone | 2 |
| Papalote - Unit 4 | 635 - 541 Ma Neoproterozoic | dolomite | 1 |
| Albertella-Glossopleura (lower) - Arrojos | 513 - 501 Ma Cambrian | siltstone/"limestone" | 48 |
| Albertella-Glossopleura (lower) - Tren | 513 - 505 Ma Cambrian | limestone | 6 |
| Bonnia-Olenellus - Buelna | 516 - 513 Ma Cambrian | siltstone/sandstone | 26 |
| Bonnia-Olenellus - Cerro Prieto | 516 - 513 Ma Cambrian | limestone | 2 |
| Bonnia-Olenellus - Proveedora | 516 - 513 Ma Cambrian | sandstone/siltstone | 3 |
| Fallotaspis - Puerto Blanco - Unit 2 | 530 - 516 Ma Cambrian | siltstone/sandstone | 9 |
| Fallotaspis - Puerto Blanco - Unit 3 | 530 - 516 Ma Cambrian | limestone/siltstone | 18 |
| Nevadella - Puerto Blanco - Unit 4 | 530 - 516 Ma Cambrian | siltstone/"limestone" | 16 |
Recorded Fossils
References
| Devaere L., Clausen S., et al (2019) Early Cambrian Small Shelly Fossils from northwest Mexico: Biostratigraphic implications for Laurentia, Palaeontologia Electronica 22 2, 1-58 doi:10.26879/880 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
