{ "error": { "v": 2, "license": "CC-BY 4.0", "message": "No valid parameters provided", "about": { "v": 2, "license": "CC-BY 4.0", "description": "all Macrostrat units matching search criteria", "options": { "parameters": { "unit_id": "integer, a valid unit id", "section_id": "integer, a valid section id", "col_id": "integer, a valid column id", "col_type": "string, a column type", "interval_name": "string, chronostratigraphic time interval name", "int_id": "integer, a chronostratigraphic time interval ID from /defs/intervals", "age": "numerical age in millions of years before present", "age_top": "numerical age (Ma) - must be used with age_bottom and be less than age_bottom", "age_bottom": "numerical age (Ma) - must be used with age_top and be greater than age_top", "lith_id": "integer, ID of a lithology from /defs/lithologies", "lith": "string, specific lithology name (e.g., shale, sandstone)", "lith_type": "string, groups of lithologies (e.g., carbonate, siliciclastic)", "lith_class": "string, general lithologies (sedimentary, igneous, metamorphic)", "lith_att_id": "integer, ID of a lithology attribute from /defs/lithology_attributes", "lith_att": "string, specific lithology attribute name (e.g. fine, olivine, poorly washed)", "lith_att_type": "string, specific category of lithology attribute (e.g. grains, lithology, bedform)", "environ_id": "integer, specific environment ID from /defs/environments", "environ": "string, specific environment", "environ_type": "string, groups of environments", "environ_class": "string, general environments", "econ_id": "integer, ID of an economic attribute from /defs/econs", "econ": "string, name of an economic attribute", "econ_type": "string, name of an economic attribute type", "econ_class": "string, name of an economic attribute class", "cltn_id": "integer, one or more Paleobiology Database collection IDs", "strat_name": "a fuzzy stratigraphic name to match units to", "strat_name_id": "integer, a single or comma-separated list of stratigraphic IDs from /defs/strat_names", "strat_name_concept_id": "integer, a single or comma-separated list of stratigraphic name concept IDs from /defs/strat_name_concepts", "lat": "number, decimal degree latitude, WGS84", "lng": "number, decimal degree longitude, WGS84", "adjacents": "boolean, if lat/lng or col_id is specified, optionally return all units in columns that touch the polygon containing the supplied lat/lng", "project_id": "a Macrostrat project ID", "status_code": "string, column status codes, values 'active','in process','obsolete'. Defaults to 'active'", "response": "Any available response_type. Default is short.", "format": "string, desired output format", "geom_age": "If requesting a geographic format, specifies which age to use for the primary coordinates. Accepted parameters are 'modern' (clat, clng), 'top' (t_plat, t_plng) and 'bottom' (b_plat, b_plng). Default is 'modern'", "summarize_measures": "If present, returns summary statistics about the measurements associated with each unit", "show_position": "If present, return the unit top and bottom position in section", "sample": "Return a sample of units" }, "output_formats": [ "json", "csv", "geojson", "topojson", "geojson_bare", "topojson_bare" ], "examples": [ "api/units?section_id=107&format=csv", "api/units?interval_name=Permian", "api/units?age=271", "api/units?interval_name=Permian&response=long", "api/units?strat_id=1205,4260", "api/units?strat_name=mancos", "api/units?strat_name_id=1205&format=geojson_bare&geom_age=bottom" ], "response_types": [ "short", "long" ], "fields": { "unit_id": "integer, unique identifier for unit", "section_id": "integer, unique identifier for section (package)", "col_id": "integer, unique identifier for column", "project_id": "unique identifier for project, corresponds to general geographic region", "col_area": "float, area in square kilometers of the Macrostrat column", "unit_name": "text, the name of the unit", "strat_name_id": "integer, unique identifier for known stratigraphic name(s) (see /defs/strat_names)", "Mbr": "text, lithostratigraphic member", "Fm": "text, lithostratigraphic formation", "Gp": "text, lithostratigraphic group", "SGp": "text, lithostratigraphic supergroup", "t_age": "number, continuous time age model estimated for truncation, in Myr before present", "b_age": "number, continuous time age model estimated for initiation, in Myr before present", "max_thick": "number, maximum unit thickness in meters", "min_thick": "number, minimum unit thickess in meters (NB: some zero values may be equivalent in meaning to NULL)", "outcrop": "text, describes where unit is exposed or not, values are 'outcrop', 'subsurface', or 'both'", "pbdb_collections": "integer, count of PBDB collections in units/column", "pbdb_occurrences": "integer, count of PBDB occurrences in units/column", "lith": "text, specific lithology, see /defs/lithologies", "environ": "text, specific environment, see /defs/environments", "econ": "text, name of econonomic use, see defs/econs", "measure": "array, summary of types of measurements available", "notes": "text, notes releavnt to containing element", "color": "text, recommended coloring for units based on dominant lithology", "text_color": "text, recommended coloring for text based on color", "t_int_id": "integer, the ID of the chronostratigraphic interval containing the top boundary of the unit", "t_int_name": "text, the name of the chronostratigraphic interval containing the top boundary of the unit", "t_int_age": "float, the top age of the chronostratigraphic interval containing the top boundary of the unit", "t_prop": "decimal, position of continuous time age model top boundary, proportional to reference time interval (t_interval)", "units_above": "array of integers, the unit_ids of the units contacting the top of the unit", "b_int_id": "integer, the ID of the chronostratigraphic interval containing the bottom boundary of the unit", "b_int_name": "text, the name of the chronostratigraphic interval containing the bottom boundary of the unit", "b_int_age": "float, the bottom age of the chronostratigraphic interval containing the bottom boundary of the unit", "b_prop": "decimal, position of continuous time age model bottom boundary, proportional to reference time interval (b_interval)", "units_below": "array of integers, the unit_ids of the units contacting the bottom of the unit", "clat": "number, present day latitude of of the centroid of the column to which the unit belongs", "clng": "number, present day longitude of of the centroid of the column to which the unit belongs", "t_plat": "number, same as clat, but rotated to the t_age. Top age paleo latitude.", "t_plng": "number, same as clng, but rotated to the t_age. Top age paleo longitude.", "b_plat": "number, same as clat, but rotated to the b_age. Bottom age paleo latitude.", "b_plng": "number, same as clng, but rotated to the b_age. Bottom age paleo latitude.", "t_pos": "The position of unit top in ordering of units in section, optionally in units of m for some columns (e.g., eODP project)", "b_pos": "The position of unit bottom in ordering of units in section, optionally in units of m for some columns (e.g., eODP project)" } } } } }