Explosives have played a crucial role in mining since the 17th century. The history of explosives in mining can be summarized as follows: 1. **Gunpowder (17th Century)**: The earliest explosive used in mining was gunpowder, invented in China. Its use became widespread in Europe by the 17th century for breaking rock and ore. 2. **Nitroglycerin (19th Century)**: In the mid-19th century, nitroglycerin was developed, offering a more powerful alternative to gunpowder. It was famously used in gold and silver mining, but its volatility posed safety risks. 3. **Dynamite (1867)**: Alfred Nobel invented dynamite by stabilizing nitroglycerin with an absorbent substance, making it safer to handle and transport. This revolutionized mining operations, enabling more efficient excavation. 4. **Blasting Gelatin (1875)**: An advancement over dynamite, blasting gelatin was made by mixing nitroglycerin with gelatin, providing even greater stability and strength, useful in more challenging mining conditions. 5. **ANFO (Ammonium Nitrate Fuel Oil, 1950s)**: A mixture of ammonium nitrate and fuel oil became the standard in mining due to its cost-effectiveness, ease of handling, and powerful explosive capabilities. 6. **Emulsions and Water-resistant Explosives (1980s)**: With improvements in chemical formulations, water-resistant emulsions were developed, allowing blasting in wet conditions, which was particularly useful in underground mining. 7. **Modern Explosives**: Today, a variety of specialized explosives are used, including electronic detonators, which offer precise timing and improved safety, and hybrid explosives that combine features of different types for enhanced performance. Throughout this evolution, safety measures and regulations have also improved significantly, reducing risks associated with blasting in mining operations.#mining #quarry #explosives #fypシ゚viral