Frictional Properties and Healing Behavior of Tectonic Mélanges from the Shimanto Belt

Tsai‐Wei Chen from Pennsylvania State University reports data from velocity-step and slide-hold-slide experiments on rock samples from the Lower Mugi and Makimine mélanges of the Cretaceous Shimanto belt. The dataset includes X-ray diffraction (XRD) composition analysis and records of frictional behavior under varying normal stress and hydrothermal conditions. The data links rock properties to slip behavior at different depths along subduction plate interfaces.

Use Cases

• Modeling fault zone evolution based on velocity-weakening and velocity-strengthening frictional behaviors described in the experiments.
• Analyzing the role of pressure solution in fault healing based on slide-hold-slide test results under different temperatures.
• Correlating rock composition from XRD analysis with paleotemperature records and deformation history of subduction mélanges.

Strengths

• Data is derived from physical experiments on actual rock samples collected from ancient subduction fault zones.
• Includes X-ray diffraction (XRD) composition analysis for the mélange samples.
• Experiments cover multiple conditions, including velocity-step tests and slide-hold-slide tests under different hydrothermal conditions.

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

Pennsylvania State University

Collection Method

Laboratory experiments (velocity-step and slide-hold-slide) and X-ray diffraction (XRD) analysis on rock samples.

Geography

Samples from the Lower Mugi and Makimine mélanges of the Cretaceous Shimanto belt.