Detrital Garnet Geochemistry from Himalayan Sedimentary Rocks, Late Miocene-Pliocene

Late Miocene–Pliocene detrital garnet compositions from five samples of Himalayan sedimentary rocks in the Surai Khola section, central Nepal. The dataset contains analyses of 100 garnets for edge-to-edge compositional zoning, produced by Elizabeth Catlos and harvested by the Texas Data Repository. It was last updated on October 15, 2025.

Use Cases

• Classifying garnet provenance groups based on compositional zoning patterns described in the study.
• Assessing tectonic implications for the Himalayan hinterland based on detrital mineral signatures.
• Calibrating thermobarometric models using garnet chemistry from sedimentary records.
• Correlating sedimentary units in the Siwalik Group using detrital mineralogical fingerprints.

Strengths

• Contains analysis of 100 individual detrital garnets, providing a substantial sample size for statistical assessment.
• Focuses on a specific, well-defined geological section (Surai Khola, Siwalik Group) and time period (Late Miocene–Pliocene).
• Data includes edge-to-edge compositional zoning, which is critical for provenance and thermobarometric studies.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale statistical modeling.
• Description metadata is limited; actual data quality and completeness require manual inspection after download.

Provenance

Source

Texas Data Repository Harvested Dataverse

Collection Method

Likely contains geochemical analyses (e.g., electron microprobe) of detrital garnet samples.

Time Range

Late Miocene–Pliocene

Freshness

Last updated 2025-10-15 03:59:38; freshness should be verified.

Geography

Surai Khola section, Siwalik Group, central Nepal, Himalayas