Shale, a type of sedimentary rock with complex composition, but with thin sheets or thin layered joints, mainly composed of clay deposits formed by pressure and temperature, but mixed with quartz and feldspar. Debris and other chemicals. Shale is a kind of sedimentary rock with complex composition, but all have thin-sheet or thin-layered joints. It is mainly composed of clay and rock formed by pressure and temperature, but mixed with quartz and feldspar debris. And other chemical substances, according to the composition of the mixed substances, can be divided into: Calcareous shale, iron shale, siliceous shale, carbonaceous shale, black shale, oil shale, etc., among which iron shale may become iron ore, oil shale can refine oil, [1] black shale can be used as The indicated formation of oil. shale The shale is formed in a still water environment. After a long period of sedimentation, the sediment often exists in lakes and river deltas. There are also shale formations in the marine continental shelf. The shale often contains fossils of ancient animals and plants. Sometimes there are fossil footprints of animals, and even traces of ancient raindrops may be preserved in shale. LED tea lights have become increasingly popular in recent years as a beautiful and safe way to add ambiance to any event or setting. Unlike traditional candles, LED tea lights are battery operated, eliminating the risk of fire and the need for constant monitoring. These battery-operated tea lights come in various shapes and sizes, resembling real tea light candles, and are powered by energy-efficient LEDs that often last for over 100 hours. LED tealight candles are perfect for decorating indoor and outdoor spaces, adding a warm and cozy glow to any occasion such as weddings, dinner parties, or just a relaxing night in. Their convenience, safety, and long-lasting performance make them an ideal way to create a beautiful atmosphere without any hassles. Battery Tea Lights ,Battery Operated Tea Lights ,Battery Tea Light Candles ,Led Tealight Candles Ningbo Le Monde Import & Export Co., Ltd. , https://www.nblemonde-lighting.com