trace elements

Massachusetts Rock Chemistry Analyses

Basic Information
Author: 
Massachusetts Geological Survey
Author: 
Christopher Koteas
Description: 
This spreadsheet is a compilation of rock chemistry analytical results, compiled by the Massachusetts Geological Survey and published as a Web feature service for the National Geothermal Data System. The document contains 9 worksheets, including information about the template, notes related to revisions of the template, Resource provider information, the data, a field list (data mapping view) and a worksheet with vocabularies for use in populating the spreadsheet (data valid terms). Data from 200 samples are included. Fields in the data table include AnalysisURI, AnalysisName, OtherAnalysisID, Notes, DetectionLimitURI, SamplingFeatureName, SamplingFeatureURI, SpecimenID, OtherSpecimenID, SpecimenURI, ParentSampleURI, Label, SpecimenCollectionDate, SpecimenLabel, SpecimenDescription, SampleCollectionMethod, SpecimenType, SpecimenCollector, MaterialClass, LithologyTerms, RockName, SampledGeologicUnit, SampledGeologicUnitAge, County, State, LatDegree, LongDegree, SRS, LocationUncertaintyStatement, LocalityTerms, DatumElevation, Elevation, ElevationUnits, Citation, Source, MetadataURI, RelatedResource, AnalysisType, AnalysisDate, Laboratory, ProcedureSummary and UpdateTimeStamp.
Publication Date: 
Monday, June 4, 2012
Resource Language: 
English
Resource Distribution Contact
Organization Name: 
Massachusetts Geological Survey
Person Name: 
Christopher Koteas
Street Address: 
611 N. Pleasant Street, 233 Morrill Science Center
City: 
Amherst
State/Province: 
Massachusetts
Postal Code: 
01003
Country: 
USA
Phone: 
413-545-4814
Fax: 
413-545-1200
Geographic Extent
North bounding latitude: 
43.0276
South bounding latitude: 
40.9621
West bounding longitude: 
-73.8287
East bounding longitude: 
-69.6429

Advances in the Past 20 Years: Geochemistry in Geothermal Exploration, Resource Evaluation and Reservoir Management

Basic Information
Author: 
Klein, C.W.
Description: 
Most theoretical fundamentals of geothermal geochemistry were established by the mid-1980s, as were numerous practical applications of these fundamentals to geothermal resource evaluation and management. Since that time, these geochemical tools have been refined to various degrees. Advances are discussed in the categories of sampling and analysis, exploration and resource evaluation, and resource management. Noted developments include: widespread use of high-performance liquid chromatography (HPLC); advances in spectral analysis; new and refined chemical geothermometers (especially using non-condensible gas species); analysis tools that enable fluid inclusion stratigraphy; ground surface CO2 flux measurement; integration of geochemical reaction models into numerical reservoir simulation; scaling and wellflow chemistry modification; new reservoir tracers and flow-line tracer enthalpy technology. Emphasis is placed on commercially applied technology, but academic developments are included.
Publication Date: 
Monday, January 1, 2007
Resource Language: 
English
Intelectual Originator Contact
Organization Name: 
GeothermEx, Inc.
Street Address: 
3260 Blume Drive,Suite 220
City: 
Richmond
State/Province: 
CA
Postal Code: 
94806
Country: 
United States
Phone: 
510-527-9876
Fax: 
510-527-8164
Resource Information
Access Statement: 
Abstract available online at http://www.geothermex.com/files/Klein_2007-1.pdf For a copy of this paper please e-mail us at mw@geothermex.com
Resource Distribution Contact
Organization Name: 
GeothermEx, Inc.
Street Address: 
3260 Blume Drive,Suite 220
City: 
Richmond
State/Province: 
CA
Postal Code: 
94806
Country: 
United States
Phone: 
510-527-9876
Fax: 
510-527-8164
Geographic Extent
North bounding latitude: 
41.9864
South bounding latitude: 
32.79
West bounding longitude: 
-124.453
East bounding longitude: 
-114.609
Previous Citation
Bibliographic Citation: 
Christopher W. Klein, 2007. Advances in the Past 20 Years: Geochemistry in Geothermal Exploration, Resource Evaluation and Reservoir Management. GeothermEx, Inc., Richmond, California.
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