Verifiably grounded machine interpretation of lunar geology

• URL: http://arxiv.org/abs/2608.09276v1
• Date: Mon, 10 Aug 2026 08:32:34 GMT
• Title: Verifiably grounded machine interpretation of lunar geology
• Abstract summary: We present a step toward an automated "machine intelligence geologist"<n>We train a model to generate verifiably grounded geologic interpretations from co-registered topographic, spectral, and geologic maps.<n>Our findings delineate the necessary architecture for automated geologic inference.
• Score: 2.4349098308669594
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Planetary geology relies on historical, interpretive reasoning to reconstruct past events from diverse observations. Here, we present a step toward an automated "machine intelligence geologist" by embedding this distinct methodology of geologic knowledge discovery and inference into a multimodal vision-language architecture. Focusing on the stratigraphy of lunar basaltic mare volcanism, we train a model to generate verifiably grounded geologic interpretations directly from co-registered topographic, spectral, and geologic maps. We demonstrate that while the system successfully balances established geological priors with local visual evidence to accurately describe stratigraphy and terrain, numeric age dating derived solely from vision defaults to memorized priors. Integrating an open-book retrieval mechanism resolves this, enabling the model to faithfully cite published chronologies. Our findings delineate the necessary architecture for automated geologic inference: site evidence must be visually interpreted from local data, while quantitative historical context must be retrieved from the scientific record.

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