{
  "type": "Feature",
  "id": "atm_marin_geology_1551",
  "geometry": {
    "type": "Point",
    "coordinates": [
      -122.998627,
      37.998441
    ]
  },
  "properties": {
    "id": "atm_marin_geology_1551",
    "kind": "NaturalFeature",
    "name": "Porphyritic Granodiorite of Point Reyes (Upper Cretaceous)",
    "parent_id": null,
    "depth": null,
    "facts": {
      "PType": "Kg",
      "layer": "Geology",
      "AgeOrder": 69,
      "OBJECTID": 1551,
      "MapUnitDesc": "Porphyritic Granodiorite of Point Reyes (Upper Cretaceous)",
      "jurisdiction": null,
      "RGB_Rendering": "250,186,195"
    },
    "source_id": "src_5451aed875b1d974c220",
    "updated_at": "2026-10-10T03:16:11.216Z"
  },
  "links": {
    "self": "https://miscsubjects.com/atlas/atoms/atm_marin_geology_1551",
    "children": "https://miscsubjects.com/atlas/atoms/atm_marin_geology_1551/children",
    "descendants": "https://miscsubjects.com/atlas/atoms/atm_marin_geology_1551/descendants",
    "inside": "https://miscsubjects.com/atlas/atoms/atm_marin_geology_1551/inside",
    "graph": "https://miscsubjects.com/atlas/graph?start=atm_marin_geology_1551"
  },
  "ancestors": [],
  "children_by_kind": [],
  "edges_out": [],
  "edges_in": [
    {
      "rel": "overlaps",
      "id": "atm_geoid_06041",
      "kind": "County",
      "name": "Marin County",
      "share": 1
    }
  ],
  "edges_in_total": 1,
  "external_ids": [
    {
      "system": "marin_gis",
      "value": "geology/1551"
    }
  ],
  "source": {
    "id": "src_5451aed875b1d974c220",
    "url": "https://services6.arcgis.com/T8eS7sop5hLmgRRH/arcgis/rest/services/Geology/FeatureServer/0/query?where=1%3D1&outFields=*&outSR=4326&returnGeometry=true&maxAllowableOffset=0.000005&resultOffset=0&resultRecordCount=2000&f=geojson",
    "license": "Marin County GIS Open Data (gisopendata.marincounty.gov), public",
    "read_at": "2026-10-10T03:16:04.912Z",
    "sha256": "5399b21a9f5e118bc1f31b8e25b48e1b7a1fd45ea858003d6ada35a76a42cba3"
  }
}