EPSG:2081

Chos Malal 1914 / Argentina 2

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived through common coordinates at 43 stations.

Information source: YPF

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: Chos Malal 1914

Datum: Chos Malal 1914

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: Various oil industry records.

Revision date: 2020-01-16

Scope: Oil and gas exploration and production.

Remarks: Replaced by Campo Inchauspe / Argentina 2 (CRS code 22192) for topographic mapping, use for oil exploration and production continues.

Area of use: Argentina - Mendoza and Neuquen provinces between 70°30'W and 67°30'W - Neuquen and Cuyo basins.

Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.

Center coordinates
2512796.5 5881740.69

Projected bounds:
2298202.98 5550765.52
2728367.4 6209619.55

WGS84 bounds:
-71.19 -40.17
-66.52 -34.26

Argentina - Neuquen province.
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Definition: OGC Well Known Text

PROJCS["Chos Malal 1914 / Argentina 2",
    GEOGCS["Chos Malal 1914",
        DATUM["Chos_Malal_1914",
            SPHEROID["International 1924",6378388,297],
            TOWGS84[15.75,164.93,126.18,0,0,0,0]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4160"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",-90],
    PARAMETER["central_meridian",-69],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",2500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","2081"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Chos Malal 1914 / Argentina 2",
    BASEGEOGCRS["Chos Malal 1914",
        DATUM["Chos Malal 1914",
            ELLIPSOID["International 1924",6378388,297,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4160]],
    CONVERSION["Argentina zone 2",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",-90,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-69,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",2500000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["northing (X)",north,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["easting (Y)",east,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Oil and gas exploration and production."],
        AREA["Argentina - Mendoza and Neuquen provinces between 70°30'W and 67°30'W - Neuquen and Cuyo basins."],
        BBOX[-43.41,-70.51,-31.91,-67.49]],
    ID["EPSG",2081]]

Definition: ESRI Well Known Text

PROJCS["Chos_Malal_1914_Argentina_2",
    GEOGCS["GCS_Chos_Malal_1914",
        DATUM["D_Chos_Malal_1914",
            SPHEROID["International_1924",6378388.0,297.0]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",2500000.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",-69.0],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",-90.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=-90 +lon_0=-69 +k=1 +x_0=2500000 +y_0=0 +ellps=intl +towgs84=15.75,164.93,126.18,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:2081","+proj=tmerc +lat_0=-90 +lon_0=-69 +k=1 +x_0=2500000 +y_0=0 +ellps=intl +towgs84=15.75,164.93,126.18,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Chos Malal 1914 / Argentina 2",
    "base_crs": {
        "name": "Chos Malal 1914",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Chos Malal 1914",
            "ellipsoid": {
                "name": "International 1924",
                "semi_major_axis": 6378388,
                "inverse_flattening": 297
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4160
        }
    },
    "conversion": {
        "name": "Argentina zone 2",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": -90,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": -69,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 1,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 2500000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Northing",
                "abbreviation": "X",
                "direction": "north",
                "unit": "metre"
            },
            {
                "name": "Easting",
                "abbreviation": "Y",
                "direction": "east",
                "unit": "metre"
            }
        ]
    },
    "scope": "Oil and gas exploration and production.",
    "area": "Argentina - Mendoza and Neuquen provinces between 70°30'W and 67°30'W - Neuquen and Cuyo basins.",
    "bbox": {
        "south_latitude": -43.41,
        "west_longitude": -70.51,
        "north_latitude": -31.91,
        "east_longitude": -67.49
    },
    "id": {
        "authority": "EPSG",
        "code": 2081
    }
}

Definition: GeoServer

2081=PROJCS["Chos Malal 1914 / Argentina 2",GEOGCS["Chos Malal 1914",DATUM["Chos_Malal_1914",SPHEROID["International 1924",6378388,297],TOWGS84[15.75,164.93,126.18,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4160"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-90],PARAMETER["central_meridian",-69],PARAMETER["scale_factor",1],PARAMETER["false_easting",2500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2081"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=-90"
	"lon_0=-69"
	"k=1"
	"x_0=2500000"
	"y_0=0"
	"ellps=intl"
	"towgs84=15.75,164.93,126.18,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=-90 +lon_0=-69 +k=1 +x_0=2500000 +y_0=0 +ellps=intl +towgs84=15.75,164.93,126.18,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=-90 +lon_0=-69 +k=1 +x_0=2500000 +y_0=0 +ellps=intl +towgs84=15.75,164.93,126.18,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2081, 'EPSG', 2081, '+proj=tmerc +lat_0=-90 +lon_0=-69 +k=1 +x_0=2500000 +y_0=0 +ellps=intl +towgs84=15.75,164.93,126.18,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Chos Malal 1914 / Argentina 2",GEOGCS["Chos Malal 1914",DATUM["Chos_Malal_1914",SPHEROID["International 1924",6378388,297],TOWGS84[15.75,164.93,126.18,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4160"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-90],PARAMETER["central_meridian",-69],PARAMETER["scale_factor",1],PARAMETER["false_easting",2500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2081"]]');