{"type": "rich", "version": "1.0", "title": "Photogramm\u00e9trie 3D : Des rifles et crevasses sur du bedrock avec des sables alluvions aurif\u00e8res / 3D photogrammetry : Riffles and crevices 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 : Des asp\u00e9rit\u00e9s et des rifles, ou crevasses, pr\u00e9sentes dans le bedrock rocheux, et remplies de sables et de graviers aurif\u00e8res. Des pr\u00e9l\u00e8vements et de lavages au pan am\u00e9ricain classique r\u00e9v\u00e8lent la pr\u00e9sence de grains et de paillettes d'or, mais aussi des sables noirs en quantit\u00e9, fin et dense. En bas \u00e0 droite, le rifle est \u00e0 proximit\u00e9 d'un filon de quartz fum\u00e9 et oxyd\u00e9 de couleur ocre/orange. Un tr\u00e8s bon exemple de placier aurif\u00e8re, sur bedrock, dans un m\u00e9andre int\u00e9rieur de rivi\u00e8re.\n\n\ud83c\uddec\ud83c\udde7 PROSPECTOR'S TIP : Asperities and rifles, or crevices, present in the rocky bedrock, and filled with auriferous sands and gravels. Samplings and washings with the classic American pan reveal the presence of grains and flakes of gold, but also black sands in quantity, fine and dense. At the bottom right, the rifle is near a vein of smoky and oxidized quartz of ochre/orange color. A very good example of auriferous placer, on bedrock, in an interior meander of a river. ", "url": "https://p3d.in/nv1qG", "author_name": "goldsnoop", "provider_name": "p3d.in", "provider_url": "https://p3d.in", "thumbnail_url": "https://p3d.in/model_data/snapshot/nv1qG", "thumbnail_width": 512, "thumbnail_height": 512, "html": "<iframe src=\"https://p3d.in/e/nv1qG\" width=\"640\" height=\"480\" loading=\"lazy\" frameborder=\"0\" allowfullscreen></iframe>", "width": 640, "height": 480}