【深圳经济新闻联播】 广东遴选湾区景观地标 深圳湾成形象品牌 据深圳商报，12月4日下午，广东省人大常委会在广州举行《广东省人民代表大会常务委员会关于促进 粤港澳大湾区内地九市内涵式高质量发展的决定》新闻发布会。记者从会上获悉，广东将率先探索一条 彰显中国气派、岭南风格、湾区特色的城市群发展路径，前瞻布局未来产业，高水平打造"黄金内湾"， 打造环湾绿带，共同构建湾区级的蓝绿开敞空间体系。 亚马逊首个全球智能枢纽仓落地深圳 12月4日，美国电商巨头亚马逊首个全球智能枢纽仓正式落地深圳，并计划于2026年3月向所有卖家全面 开放。该设施将提供从货源地始发的全球一体化仓储与分拨服务，标志着亚马逊在全球供应链布局上的 又一重要举措。根据公开资料整理，该智能枢纽仓将于2026年1月开始推广使用，逐步扩大服务范围， 并于3月实现全面开放。 【国内财经新闻】 稀土出口管制：合规的、用于民用用途的出口申请，中国政府都及时予以了批准 12月4日下午，商务部新闻发言人就开展稀土相关物项出口管制进行了回应。商务部新闻发言人何亚 东：中国政府依法依规开展稀土相关物项的出口管制工作，据我所知，只要是用于民用用途的，合规的 出口申请，中 ...

Core Insights - The Earth contains approximately 40 trillion tons of gold, but over 99% of it is located in the core, making it inaccessible for mining [3] - The extractable gold is primarily found in the crust, with an estimated reserve of about 200,000 tons, which is a minuscule fraction of the total [3] - The average grade of gold ore is only 0.5 to 5 grams per ton, leading to high extraction costs [5] - Environmental regulations are becoming stricter, complicating gold mining operations [8] - Current gold recovery methods rely significantly on recycling, accounting for about one-third of global gold supply [10] Mining Challenges - Mining costs are exceedingly high due to the low concentration of gold in ores and the need to process large quantities of rock [5] - Extracting gold from seawater is economically unfeasible, as it requires filtering 250 million tons of seawater to obtain one kilogram of gold [6] - The depletion of easily accessible gold deposits and the increasing difficulty of finding new, high-quality mines are significant challenges [8] Future Prospects - Deep-sea mining may offer new opportunities, although the technology is still underdeveloped [11] - Asteroid mining presents a long-term potential solution, with some asteroids containing metals worth trillions, but current costs exceed potential returns [8][11] - Technological advancements in gold recovery and mining methods will be crucial for future supply [10][11] Conclusion - While gold is abundant in theory, the vast majority is inaccessible, maintaining its scarcity and value [13] - The industry faces significant challenges in extraction and environmental compliance, but future technological breakthroughs may change the landscape of gold availability [13]