🪨 RIVERLITHOSCOPE: An AI Geological Advisor Built with Gemini

This post is my submission for DEV Education Track: Build Apps with Google AI Studio. What I Built I set out to build RiverLithoscope, an interactive web app that acts as an AI geological advisor. It performs source-to-sink analysis on geological images, helping users—from students to exploration geologists—interpret rock specimens, hydrothermal veins, and river contexts. The Core Prompt Used in Google AI Studio: I engineered a detailed system instruction to guide the model's analysis.The prompt was structured to make the AI act like a Field Geologist, focusing on: "You are a senior Field Geologist specializing in Petrology and Economic Geology. Analyze the provided image. First, identify the host rock type and any cross-cutting features (like veins). Describe the mineralogy, texture, and weathering patterns. Then, interpret the geological context: is this a bedrock outcrop, a clast, or part of a river system? Assess its significance for placer deposits or indicator minerals. Structure