EPSG:2081 — Chos Malal 1914 / Argentina 2

Projected · Argentina - Mendoza and Neuquen 70.5°W to 67.5°W

Export Formats

OGC WKT

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"]
]

WKT2

PROJCRS[
    "Chos Malal 1914 / Argentina 2",
    BASEGEOGCRS[
        "Chos Malal 1914",
        DATUM[
            "Chos Malal 1914",
            ELLIPSOID[
                "International 1924",
                6378388,
                297,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7022]
            ],
            ID["EPSG",6160]
        ],
        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",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -69,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            2500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",18032]
    ],
    CS[Cartesian,2,ID["EPSG",4530]],
    AXIS["Northing (X)",north],
    AXIS["Easting (Y)",east],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",2081]
]

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

Proj4js

How to add a projection to 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");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 2081,
  "name": "Chos Malal 1914 / Argentina 2",
  "kind": "projected",
  "area": "Argentina - Mendoza and Neuquen 70.5°W to 67.5°W",
  "unit": "metre",
  "bbox": [
    -43.41,
    -70.51,
    -31.91,
    -67.49
  ],
  "proj4": "+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"
}

PostGIS

How to add a projection to 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"]]');

MapServer

How to add a projection to MapServer? →

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

GeoServer

How to add a projection to 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"]]

Related Coordinate Systems

Available Transformations (4)

Transformations inherited from base CRS: EPSG:4160 (Chos Malal 1914)

Transformation	Source → Target	Accuracy (m)
Chos Malal 1914 to WGS 84 (2)	4160 → 4326	2.5
Chos Malal 1914 to WGS 84 (3)	4160 → 4326	2.5
Chos Malal 1914 to Campo Inchauspe (1)	4160 → 4221	10
Chos Malal 1914 to WGS 84 (1)	4160 → 4326	11

Other CRS using Chos Malal 1914

Frequently Asked Questions

How do I add EPSG:2081 to GeoServer?

Add the following definition to your GeoServer configuration:

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"]]

Read the full GeoServer guide →

How do I add EPSG:2081 to PostGIS?

Add the following definition to your PostGIS configuration:

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"]]');

Read the full PostGIS guide →

How do I add EPSG:2081 to MapServer?

Add the following definition to your MapServer configuration:

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

Read the full MapServer guide →

How do I use EPSG:2081 with Proj4js?

Add the following definition to your Proj4js configuration:

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");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

Chos Malal 1914

Datum

Chos Malal 1914

Ellipsoid

International 1924

Prime Meridian

Greenwich

Area of Use

Argentina - Mendoza and Neuquen 70.5°W to 67.5°W

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

2499926.19 5832361.66

Projected Bounds

6469257.00 2377620.092642758.12 5192742.93

WGS84 Bounds

-31.91 -70.51-67.49 -43.41

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.

EPSG

2081