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Layer: Tec Units Setting (ID: 20)

View In:   ArcGIS Online Map Viewer

Name: Tec Units Setting

Display Field: tec_cycle

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Concerning the South American Platform, previously called the Brazilian Shield, the work began with the use of the digital files (shapefiles) of the GeoSGB of CPRM, at 1:1.000.000 scale, containing the attributes of the Brazilian lithostratigraphic units. The latest geological information available for the main geological units was compiled for the map. Additionally, for Colombia, Venezuela, Guyana, Suriname, French Guiana, Bolivia, Paraguay and Uruguay, all available information was integrated in the newly built geological database. SEGEMAR in Argentina compiled the information for the Andean sector based on tectonic data of the Metallogenetic Map of South America (2005, 1:5 M scale) published by SEGEMAR under the aegis of CGMW, ASGMI and UNESCO. The compilation involved liaison with colleagues from all Andean countries – Chile, Peru, Ecuador, Bolivia, Colombia and Venezuela. All information was adjusted on Landsat TM images and SRTM of South America and complemented with subsequent updates and suggestions received from regional specialists.This enabled the preparation of a new georeferenced base map of South America, carried out by CPRM and SEGEMAR. The geological polygons were then interpreted and classified according to a unified legend for the South American Platform and the Andean region, in order to enable the discrimination of different tectonic settings and ages. Three essential attributes were developed to allow the application of that legend: (1) age of the last tectonic event that affected the area; (2) nature of the tectonic setting; and (3) age of formation of the rocks. The attributes of about 8,000 individual polygons were included in the final database. Owing to the scale of the map, 1:5.000.000, many of the regionally mapped geologic and tectonic units could not be included because of their relatively small outcrop areas.

Service Item Id: ece6a80b868e4395a2e6cd5ca7981ac9

Copyright Text: Andes Belt -Victor Ramos (UBA), Marcelo Cegarra (SEGEMAR), Analía Casa (SEGEMAR), Silvia Chavez (SEGEMAR) South American Platform - Inácio de Medeiros Delgado, Lêda Maria Fraga, Umberto Cordani and Carlos Schobbehnaus

Default Visibility: true

MaxRecordCount: 10000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Supports Datum Transformation: true

Extent:
Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: tec_env

Fields: Types:
Capabilities: Query,Extract

Sync Can Return Changes: false

Is Data Versioned: false

Supports Rollback On Failure: true

Supports ApplyEdits With Global Ids: false

Supports Query With Historic Moment: false

Supports Coordinates Quantization: true

Child Resources:   Field Groups   Contingent Values

Supported Operations:   Query   Query Analytic   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata   Update Metadata