col_id
: The unique identification number for the column.
col_group_id
: The unique identification number of the group to
which the column belongs.
col_name
: The name of the column.
lat
: Latitude of the centroid of the column.
lng
: Longitude of the centroid of the column.
col_area
: Area of the Macrostrat column,
in km2.
max_thick
: Maximum unit thickness in meters.
ref_id
: The unique identification number for the reference
associated with the column.
status
: Indicates the current status of the column (values are
'active', 'in process', and 'obsolete').
t_units
: Total number of Macrostrat units contained within the
column.
project_id
: The unique identification number for the column's
project. Corresponds to general geographic region.
notes
: Column specific notes.