2012年4月4日 · I found a large rock that is literally coated thickly if not completely comprised of loose coarse yellow to orange colored sand with an abundance of flakes that look a lot like gold foil , and flex and bend as they swirl around in the pan , but they are not heavy.

2022年11月30日 · These are long zones where a change in height has caused rocks to deform or even break after reaching a certain point. The gold can be found in vugs, or holes in the stone, along these points and are often associated with quartz …

2023年8月26日 · Mica Schist: Rich in mica minerals (biotite, muscovite), leading to a distinctive layered appearance. Chlorite Schist : Composed mainly of chlorite minerals, giving it a green color and often a platy texture.

Schist is a foliated metamorphic rock that contains abundant mica or other platy mineral grains.

2023年7月2日 · Mica Schists are the most common Schistose rocks and the second most common metamorphic rocks on Earth. These rocks are composed mainly of Mica (usually Muscovite or Biotite) and smaller amounts of Quartz. The …

A schist showing characteristic scaly schistose texture caused by platy micas. Schist (/ ˈ ʃ ɪ s t / SHIST) is a medium-grained metamorphic rock showing pronounced schistosity (named for the rock).

2022年3月29日 · Rock 4 – Schist. Schist is a metamorphic rock made mostly from micas that glitter in the sun. Micas are flaky, sheetlike minerals that include dark green chlorite, silvery muscovite, metallic gray graphite, white grey or green talc, and black or brown biotite. Schists often contain quartz in addition to mica minerals, which increases their ...

2023年7月9日 · But if you’re still unsure if you have found real gold or mica, then there are a couple of tests you can do to confirm. The streak test is the most straightforward, which involves you scraping mica on unglazed porcelain. Mica creates …

Mica-schist is a rock composed essentially of quartz and mica, usually either muscovite or biotite. The mica is the prominent mineral, occurring in irregular leaves and in foliated masses. The mica plates all lie with their cleavage planes parallel to each other and give to the rock a striking laminated or "schistose" structure.

2022年8月7日 · I hit a pocket of mica in mud, of different metalic colors (green , copper ,brown) but what stands out most to me is the bright yellow metallic colored specks and flakes in mud under exposed tree roots. Now the geo survey says there's no gold in this county but do they really know and is it worth me filtering what I think is gold from the other ...