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Gateway to the Paleobiology Database
Aysén (Jurassic of Chile)

Where: Aisén, Chile (46.6° S, 72.4° W: paleocoordinates 44.8° S, 32.4° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Toqui Formation, Tithonian (150.8 - 145.5 Ma)

• U-Pb SHRIMP date of 147 ± 0.1 Ma from ignimbrite at base of measured section, just below fossiliferous layer

• bed-level stratigraphic resolution

Environment/lithology: fluvial-deltaic; pebbly, volcaniclastic, green sandstone

• braided-river delta
• "green volcaniclastic pebbly sandstones and sandy sedimentary breccias"

•The succession of clastic sedimentary rocks with intercalated tuffs is 300–320 m thick. The dinosaur fossils occur in an approximately 100 m succession of alternating green volcaniclastic pebbly sandstones and sandy sedimentary breccias, with intercalations of lapilli tuffs and red ignimbrites with eroded tops The succession of clastic sedimentary rocks with intercalated tuffs is 300–320 m thick. The dinosaur fossils occur in an approximately 100 m succession of alternating green volcaniclastic pebbly sandstones and sandy sedimentary breccias, with intercalations of lapilli tuffs and red ignimbrites with eroded tops

Size class: macrofossils

Preservation: trace

Collection methods: surface (float), surface (in situ),

Primary reference: L. Salgado, R. de la Cruz, M. Suárez, M. S. Fernández, Z. B. Gasparini, S. Palma-Heldt, and M. Fanning. 2008. First Late Jurassic dinosaur bones from Chile. Journal of Vertebrate Paleontology 28(2):529-534 [M. Carrano/M. Carrano/M. Uhen] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 83734: authorized by Matthew Carrano, entered by Matthew Carrano on 28.08.2008, edited by Philip Mannion

Creative Commons license: CC BY (attribution)