Name: Whole rock geochemistry samples

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Description: The Yellowstone Plateau volcanic field and surrounding region is made up of over 3 billion years of geologic history, with 300+ separate rock types. To increase our understanding of the evolution of this active system and direct priorities for sample collection and field study, we compiled whole rock geochemical datasets from numerous thesis and papers (17 in total). We present these data in a standardized format and include location information and details on analytical methods when available.Data were downloaded and minimally modified by the Wyoming State Geological Survey (WSGS) in March, 2025 for simplified display on the interactive Geology of Yellowstone Map. Not every field in the “Yellowstone_Whole_Rock_Data.xlsx” file is displayed, and several fields were given new headers. The “Publication link” field was added to direct users to the original publication from which the data originate. 328 records were excluded due to missing location data. The WSGS has not formally reviewed or quality-controlled these data; users are encouraged to consult the original data source.

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Copyright Text: Data presented in this data release were compiled from the geologic literature. All credit for the data collection goes to the authors cited in the data release. Kragh, N., Helene, L., Robinson, L., Morrow, Z., O'Connor, B., Myers, M., and Stelten, M., 2023, Whole Rock Analyses from the Yellowstone Plateau Volcanic Field: U.S. Geological Survey data release, https://doi.org/10.5066/P9AXI2YU.

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• OBJECTID ( type: esriFieldTypeOID, alias: ObjectID )
• SampleNo_ ( type: esriFieldTypeString, alias: Sample number, length: 255 )
• Host_Unit ( type: esriFieldTypeString, alias: Host unit, length: 255 )
• Classification ( type: esriFieldTypeString, alias: Classification, length: 255 )
• Source ( type: esriFieldTypeString, alias: Publication, length: 255 )
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• Data_Instrument__Major_Elements ( type: esriFieldTypeString, alias: Instrument, length: 255 )
• SiO2 ( type: esriFieldTypeDouble, alias: SiO2 )
• TiO2 ( type: esriFieldTypeDouble, alias: TiO2 )
• Al2O3 ( type: esriFieldTypeDouble, alias: Al2O3 )
• FeO ( type: esriFieldTypeDouble, alias: FeO )
• MnO ( type: esriFieldTypeDouble, alias: MnO )
• MgO ( type: esriFieldTypeDouble, alias: MgO )
• CaO ( type: esriFieldTypeDouble, alias: CaO )
• Na2O ( type: esriFieldTypeDouble, alias: Na2O )
• K2O ( type: esriFieldTypeDouble, alias: K2O )
• P2O5 ( type: esriFieldTypeDouble, alias: P2O5 )
• Fe2O3_T_ ( type: esriFieldTypeDouble, alias: Fe2O3(T) )
• Total ( type: esriFieldTypeDouble, alias: Total )
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• Data_source ( type: esriFieldTypeString, alias: Data source, length: 200 )

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