SW1 - Gable Island, Beagle Channel, Tierra del Fuego (Holocene of Argentina)

Where: Argentina (55.9° S, 67.6° W: paleocoordinates 55.9° S, 67.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From mid-Holocene marine deposits. Stratigraphic relatonships unknown. THICKNESS: From single bed within upper 15 cm of sediment. AGE: Mid-Holocene. One reported C-14 date of 4790 +/- years before present. STRATIGRAPHIC POSITION: From single bed within 15 cm of section top.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, pebbly sandstone

• ENVIRONMENT: Shallow, siliciclastic environment, probably cold-water.
• SPECIFIC LITHOLOGY: Gravelly sandstone. LITHIFICATION: Unlithified, assumed on age and facies description.

Size class: macrofossils

Collection methods: bulk,

• COLLECTOR: Presumably collected by the author, S. Gordillo (Becaria del Conicet, Ushuaia, Tierra del Fuego). REPOSITORY: Repository unknown.

Primary reference: S. Gordillo. 1991. Paleoecologia de moluscos marinos del Holoceno medio de Isla Gable, Canal Beagle, Tierra del Fuego, Argentina. Ameghiniana 28(1-2):127-133 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 65820: authorized by Austin Hendy, entered by Austin Hendy on 25.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COMPLETENESS: Exhaustive for gastropoda and bivalvia. No other groups listed. NOMENCLATURE: Not an authoritative publication, but using modern nomenclature and species-level designations.
Bivalvia
 Mytilida - Mytilidae
Mytilidae indet. Rafinesque 1815 mussel
 Cardiida - Veneridae
Tawera gayi venus clam
Gastropoda
 Patellida - Nacellidae
"Patinigera deaurata" = Nacella (Patinigera)
"Patinigera deaurata" = Nacella (Patinigera) limpet
 Neogastropoda - Volutidae
Adelomelon ancilla Lightfoot 1786 volute
 Neogastropoda - Muricidae
Acanthina imbricata, "Trophon geversianus" = Trophon geversianum
"Trophon geversianus" = Trophon geversianum Pallas 1774 murex snail