stratigraph (version 0.66)

cerrejon: Cerrejon Core

Description

Pollen counts from the Cerrejon core. This is to illustrate how to read in `raw' data in an arbitrary format, so it has been left entirely as character data.

Usage

data(cerrejon)

Format

A data frame with 189 observations (rows) of 113 variables (columns). The columns represent depths and the rows (after the first two) taxa; the data are raw counts.

Source

Carlos Jaramillo

Details

Levels of ENVIRONMENT

1, Ch

channel-fill deposits in fluvial settings (sandstone)

2, Ov

overbank, crevasse splays and sand sheets deposits

in flood plains (mixed sandstone and siltstone,

mudstone, paleosols)

2.1

coal---transgressive

2.2

coal---regressive

2.3

coal---unidentified

3, La

subaqueous coastal-lagoon, ponds (fossiliferous shale, shale)

4, Sp

supratidal flats, mud flats, tidal creeks (siltstone, mudstone, paleosols)

5, In

intertidal flats, tidal creeks (heterolithic and rhythmite sandstones

References

Jaramillo, C., Pardo-Trujillo, A,. Rueda, M., Harrington, G., Bayona, G., Torres, V., and Mora, G. Palynology of the Upper Paleocene Cerrejon Formation, Northern Colombia. Submitted to Palynology

Examples

data(cerrejon)
str(cerrejon)