Ligorio Márquez
Basic information
Sample name: Ligorio Márquez

Reference: A. Troncoso, M. Suárez, R. de la Cruz, and S. Palma-Heldt. 2002. Paleoflora de la Formación Ligorio Márquez (XI Región, Chile) en su localidad tipo: sistemática, edad e implicancias paleoclimáticas. Revista Geológica de Chile 29(1):113-135 [ER 4428]
Geography
Country: Chile

Coordinate: 36° 0' S, 71° 0' W
Latlng basis: stated in text

Formation: Ligorio Márquez

Time interval: Late Palaeocene

Geography comments: from the type locality of the Ligorio Márquez Formation
the formation discordantly underlies a basalt K-Ar dated at 41.6 ± 1.4 Ma, consistent with two older imprecise dates
thought to be Late Palaeocene based on leaf megafossil biostratigraphy

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Environment
Lithology: sandstone

Habitat comments: from a single stratigraphic level of "areniscas"

Methods
Life forms: leaves

Sample size: 34 specimens

Sampled by: M. Suárez, R. de la Cruz, A. Troncoso

Years: 1998, 2000

Museum: Servicio Nacional de Geología y Minería

Net or trap nights: 0

Basal area status: not applicable

Metadata
Sample no: 4715

Contributor no: John Alroy

Enterer: John Alroy

Created: 2025-11-23 10:00:25

Modified: 2025-11-23 10:00:25

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
20 species
15 singletons
total count 34
geometric series index: 126.0
Fisher's α: 20.375
geometric series k: 0.8963
Hurlbert's PIE: 0.8966
Shannon's H: 2.6781
Good's u: 0.5641
Register
Podocarpus inopinatus 1
Daphnandra sp. 1
cf.
Bignonia aff. gigantifolia 1
Camphoromoea speciosa 1
Cinnamomum sp. 1 2
Cinnamomum sp. 2 8
Cinnamomum sp. 3 1
Cinnamomum sp. 4 1
Goeppertia ovalifolia 1
Nectandra patagonica 1
Nectandra prolifica 5
Nectandra sp. 1
Notaphoebe neogaea 1
Persea sp. 1
?
Phoebe elliptica 2
Lauraceae indet. 11
Lauraceae indet. 21
Miconia sp. 1
cf.
Myrcia cf. reticulovenosa 1
Cupania grosseserrata 2