def_timescales {rmacrostrat} | R Documentation |
A function to retrieve all timescale definitions from the Macrostrat database. Function is called without user-specified arguments.
def_timescales()
A data.frame
containing the following columns:
timescale_id
: The unique identification number of the
timescale.
timescale
: The name of the timescale.
n_intervals
: The number of intervals within the timescale.
max_age
: The maximum age coverage of the timescale in
millions of years before present.
min_age
: The minimum age coverage of the timescale in
millions of years before present.
ref_id
: The unique identification number of the associated
reference.
Lewis A. Jones
Christopher D. Dean
Timescales and time intervals:
def_intervals()
# Retrieve all timescale definitions
ex1 <- def_timescales()