Webvein, in geology, ore body that is disseminated within definite boundaries in unwanted rock or minerals (gangue). The term, as used by geologists, is nearly synonymous with the … WebIt is often found in quartz veins or lodes..." Engineering geology on Instagram: "Where to find gold Gold is discovered in several ways. It is often found in quartz veins or lodes, but is so finely disseminated in the rock that it is often not visible.

GOLD MINING IN SOUTH CAROLINA - College of …

WebVEINS, in geology, masses of rock which occupy fissures in other rocks. They may have originated in many different ways and present a great variety of forms and structures. We … In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock. Veins form when mineral constituents carried by an aqueous solution within the rock mass are deposited through precipitation. The hydraulic flow involved is usually due to hydrothermal circulation. Veins are classically thought of as being planar fractures in rocks, with the cryst… sghandystore

Veins (Geology) - Encyclopedia

WebSep 30, 2024 · Vein- are minerals which form in cracks and joints in rocks when magma solidifies in small. quantities, while Lodes-Mineral that forms from solidification of magma in cracks and joints in large. quantities. OR. Lodes are large deposit of minerals occurring in cracks/crevices of rocks while veins are small deposits of mineral occurring in cracks ... WebAug 24, 2024 · Main Types of Formations are: (i) In igneous and metamorphic rocks minerals may occur in the cracks, crevices, faults, or joints. The smaller occurrences are … WebLodes are the actual sites where gold has formed in solid rock. The typical host rock is a metamorphic rock that has been formed by heat, pressure, and chemically active hot water (a process known as hydrothermal alteration). Some lodes are vein deposits which form as hot, metal-rich liquids move upward through cracks and sgh-a737