{"type": "rich", "version": "1.0", "title": "Photogramm\u00e9trie 3D : Rifles de schiste d'ardoises aurif\u00e8res sur bedrock / 3D Photogrammetry : Gold-bearing slate shale riffles on bedrock", "description": "\n\ud83d\udd17 Website: https://www.goldsnoop.com/\n3D : https://p3d.in/u/goldsnoop/Cjg6t\n\ud83d\udcfa Youtube: https://www.youtube.com/channel/UCME5hv02c0A-CeGRSqw03Bg\n\ud83e\udd1d Facebook: https://www.facebook.com/VivienLailleGoldsnoop\n\n\ud83c\uddeb\ud83c\uddf7 CONSEIL DE PROSPECTEUR : Dans cet exemple particulier, les feuilles des ardoises en oxydation et en d\u00e9composition du bedrock pr\u00e9sentent un affleurement de riffles qui sont des pi\u00e8ges \u00e0 paillettes d'or. Pendant les crues successives, les espacements entre les feuilles d'ardoises vont se remplir d'alluvions et de particules lourdes (sables noirs), exactement comme dans les riffles d'un sluice. Situ\u00e9 en plein sur l'axe de la goldline, dans un virage int\u00e9rieur, dans une zone de ralentissement, les alluvions, graviers \u00e0 proximit\u00e9 et au sein des feuilles d'ardoises sont tous aurif\u00e8res. Les \u00e9chantillons ont \u00e9t\u00e9 lav\u00e9s au pan am\u00e9ricain classique.\n\n\ud83c\uddec\ud83c\udde7 PROSPECTOR'S TIP : In this particular example, the sheets of the oxidizing and decaying slates of the bedrock show an outcrop of riffles which are traps of gold flakes. During successive floods, the spaces between the slate sheets will fill with alluvium and heavy particles (black sands), exactly as in the riffles of a sluice. Located right on the axis of the goldline, in an interior bend, in a slowdown zone, the alluvium and gravels near and within the slate sheets are all gold bearing. The samples were washed in the classic pan American. ", "url": "https://p3d.in/IIqh8", "author_name": "goldsnoop", "provider_name": "p3d.in", "provider_url": "https://p3d.in", "thumbnail_url": "https://p3d.in/model_data/snapshot/IIqh8", "thumbnail_width": 512, "thumbnail_height": 512, "html": "<iframe src=\"https://p3d.in/e/IIqh8\" width=\"640\" height=\"480\" loading=\"lazy\" frameborder=\"0\" allowfullscreen></iframe>", "width": 640, "height": 480}