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Geoscience · Geospatial Tools · Planetary Science

Read the rock.
Run the numbers.

Free, in-browser tools for structural geology, mineralogy, geochemistry, hydrology, optical mineralogy and so on — built by a geology student, for students and researchers .

Open the toolbox → About the author
Section 02 — The Toolbox

Geological Tools

0 – 30 M
structural · mineral · fluid

Structural Geology

3 tools
Stereonet Plotter Plot strike/dip as poles and great circles on an equal-area stereonet. In-browser Python Apparent ↔ True Dip Convert between apparent dip on a section and true dip of a plane. In-browser Python Fold Vergence Identifier Determine vergence direction from bedding and axial-plane orientation. In-browser Python

Mineralogy

2 tools
Mohs Hardness Explorer Interactive scratch-test scale from talc to diamond, with reference minerals. In-browser Python Crystal System Identifier Step through symmetry to identify one of the seven crystal systems. In-browser Python

Geochemistry

3 tools
QFL Ternary Diagram Classify sandstones by quartz–feldspar–lithic composition. In-browser Python Harker Diagram Plotter Plot major-oxide variation diagrams against SiO₂ for a rock suite. In-browser Python CIPW Norm Calculator Convert whole-rock oxide analyses into normative mineralogy. In-browser Python

Hydrology

2 tools
Piper Diagram Generator Classify groundwater facies from major-ion chemistry. In-browser Python Groundwater Quality Index Compute a weighted GWQI from standard water-quality parameters. In-browser Python

Optical Mineralogy

2 tools
Michel-Lévy Interference Chart Read birefringence and thickness off the classic interference-colour chart. In-browser Python Birefringence Calculator Compute Δ from indicated refractive indices, or solve for the missing value. In-browser Python
Section 03 — Beyond the Outcrop

Planetary Science & Astronomy

30 – 48 M
planets · moons · radio astronomy

21 cm Hydrogen Line — built, not just studied

A self-built radio telescope used to detect the Milky Way's neutral hydrogen emission — from antenna to spectrum. Full write-up and data coming soon.

Read the build →
Section 04 — Bedrock

About the author

Geology & Mining student at the University of Barishal, acknowledged in two ScienceDirect-indexed papers for geospatial figure work, and builder of the tools on this site. Full research, projects, and outreach record on the about page.

View full profile →