Tanque Loma
Basic information
Sample name: Tanque Loma

Reference: E. L. Lindsey and E. X. Lopez. 2015. Tanque Loma, a new late-Pleistocene megafaunal tar seep locality from southwest Ecuador. Journal of South American Earth Sciences 57:61-82 [ER 3079]
Country: Ecuador

Coordinate: 2° 13' S, 80° 53' W
Basis of coordinate: stated in text
Geography comments: "between the municipalities of La Libertad and Santa Elena"
there are 14C dates on bone of 17, 170 +/- 920, 19, 110 +/- 1260, and 23, 560 +/- 180 RCYBP
Climate and habitat
Substrate: ground surface
Lithology: tar
Taphonomic context: paleosol, tar pit
Habitat comments: "Strata IV - VII comprise the Pleistocene (Lujanian) deposits" and most fossils are from Stratum IV and V
Stratum IV is "a compact, silt-sand paleosol"
Stratum V sediments are "similar to the lowermost portion of Stratum IV, but these sediments are saturated with asphalt. In this layer megafaunal bones are so abundant as to constitute a clast-supported breccia of bones, cobbles and plant material"
Life forms: ungulates, other large mammals
Sampling methods: quarry
Sample size: 664
Years: 2003 - 2006
Sample: 3352
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-08-25 20:06:18
Modified: 2019-08-25 20:30:29
Abundance distribution
6 species
0 singletons
total count 664
standardised richness: 6.0
Fisher's α: 0.910
geometric series k: 0.3228
Hurlbert's PIE: 0.2461
Shannon's H: 0.5038
Good's u: 1.0000