[
  {
    "id": "swir_ratio",
    "source_file": "SWIR11_12_contrast_20m.tif",
    "source_sha256": "ed6f1555674fb061c1af52be6c1e5934806c6e70010a8235dba61b1cfd525da0",
    "display_sha256": "2b9c098b89d18efc0c0fced8b69a045bca1dc1d4e77d2f239743b7992d824bed",
    "crs": "EPSG:32611",
    "extent": [
      420000.0,
      4170000.0,
      456000.0,
      4199000.0
    ],
    "cell_size": [
      20.0,
      20.0
    ],
    "width": 1800,
    "height": 1450,
    "valid_cells": 0,
    "display_operation": "Per-cell color lookup only; source dimensions and grid retained; no interpolation, sharpening or analytical resampling.",
    "display_limits": [
      1.0,
      2.0
    ],
    "display_colormap": "magma",
    "units": "unitless B11/B12",
    "note": "Sentinel-2, 9 Sep 2026. Native 20 m derived B11/B12 grid; original quality mask retained. Surface contrast does not measure uranium grade."
  },
  {
    "id": "thermal",
    "source_file": "Landsat8_surface_temperature_C_30m_grid.tif",
    "source_sha256": "5303e62e76dd6b684952f8d96e17c52c8a02812e802a1dba4ff33b027546ee35",
    "display_sha256": "740d0b2dc5c39a1b6ce26fefb438713b18c7ba5a98ec2904350d2c43753b6701",
    "crs": "EPSG:32611",
    "extent": [
      419985.0,
      4170015.0,
      455985.0,
      4199025.0
    ],
    "cell_size": [
      30.0,
      30.0
    ],
    "width": 1200,
    "height": 967,
    "valid_cells": 1160399,
    "display_operation": "Per-cell color lookup only; source dimensions and grid retained; no interpolation, sharpening or analytical resampling.",
    "display_limits": [
      25.0,
      60.0
    ],
    "display_colormap": "inferno",
    "units": "\u00b0C",
    "note": "Landsat 8, 5 Aug 2026. Native thermal sensor resolution 100 m, delivered and analyzed on the original 30 m product grid. Surface temperature is not a uranium indicator."
  }
]