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    China's new geological map of the moon Photo: Courtesy of Institute of Geology under the Chinese Academy of Geological Sciences (CAGS)
A massive new geological map of the moon, measuring about 2.8 meters long and 1.2 meters high, has recently made its debut in China, offering one of the most comprehensive portraits yet of the lunar surface and its billions of years of geological evolution.
Compiled by the Institute of Geology under the Chinese Academy of Geological Sciences (CAGS), together with the Institute of Geochemistry under the Chinese Academy of Sciences, Jilin University, Shandong University and China University of Geosciences (Beijing), the 1:5,000,000-scale Geological Map of the moon marks 13,519 impact craters, 81 impact basins, 14 types of geological structures and 17 rock types, and includes detailed inset maps of the lunar north and south poles.
More than simply a new rendering of the lunar surface, the map incorporates the latest findings from China's Chang'e lunar exploration program. Scientists involved in the project told the Global Times in exclusive interviews that the new map recalibrates key boundaries in the moon's geological chronology, updates the distribution of important lunar rock types and establishes a more systematic framework for interpreting the moon's evolution.
"The Chang'e-5 and Chang'e-6 missions have successively returned samples from the moon's near and far side, producing findings that have significantly changed our understanding of lunar evolution," Ding Xiaozhong, a researcher at the Institute of Geology under CAGS and a core member of the mapping team, told the Global Times.
Samples showed that volcanic activity on the moon continued until about 2 billion years ago - roughly one billion years later than previously thought under the conventional framework. Meanwhile, observations and samples from the lunar far side have provided new information about the composition and magmatic history of the moon's deep interior, Ding said.
"These new discoveries created an urgent need for a new and systematic geological map that could integrate the latest data and research results and establish an updated framework for understanding lunar geology," he noted.
The 1:5,000,000 scale was chosen with practical applications in mind. Compared with China's more detailed 1:2,500,000 lunar geological atlas released in 2024, the new map provides a more condensed, global view of the Moon, enabling researchers to quickly identify major geological relationships while also making it suitable for education, popular science and the early-stage planning of exploration missions.
Jin Ming, an associate researcher at the Institute of Geology under CAGS, told the Global Times that the project also represents an important step toward establishing a mature Chinese standard for planetary geological mapping. Its newly designed symbols, legends and color system have been certified as a group standard by the Geological Society of China, filling a gap in China's standardized rules for planetary geological mapping.
Although the latest project formally began in 2022 and took about four years to complete, Ding and Jin said its scientific foundations stretch back decades. Data accumulation and methodology development began with China's early lunar exploration missions, particularly after Chang'e-1 started returning scientific data. Several generations of Chinese planetary geologists have since developed a comprehensive system for lunar geological interpretation, remote-sensing data processing and map compilation.
One of the toughest challenges was bringing together enormous quantities of remote-sensing data obtained by different instruments, Jin said. Different payloads aboard the Chang'e probes produced data with varying resolutions and spectral characteristics, requiring specially developed algorithms as well as extensive manual verification to place them under a unified mapping standard.
"We had to make the different datasets compatible under the same system while striking a balance between scientific completeness and visual clarity - avoiding information overload without losing critical geological clues," Jin said.
China previously released the world's first 1:2,500,000-scale high-precision lunar geological atlas in 2024. The newly completed 1:5,000,000 map is therefore not simply a reduced-scale copy, the scientists stressed, but a scientific update incorporating newly available data and revised interpretations of lunar chronology, lithology and geological evolution.
China's new lunar geological map has achieved an all-round improvement over previous versions and is now at the international forefront, Ding said. 
We are the only country to have exclusive access to directly measured sampling data from the Chang'e-5 and Chang'e-6 missions. By using age anchors from lunar samples independently obtained by China to calibrate the geological chronology, this new data source and calibration system represents a core advantage of China."
Like Earth, which is divided into geological periods such as the Cambrian and Jurassic, the Moon also has a geological timescale. One of the most significant tasks behind the new map was to recalibrate that "lunar clock."
According to Jin, the recalibration draws on two major sources - the latest international isotopic dating results, including updated measurements of Apollo samples and lunar meteorites, and the precise age obtained from Chang'e-5 samples.
The latter provided an especially important chronological anchor. Radiometric dating of Chang'e-5 basalt has placed its age at roughly 2 billion years, demonstrating that lunar volcanism persisted far later than had once been assumed and substantially changing scientists' picture of the moon's late-stage thermal evolution.
Based on the updated evidence, the team refined the starting ages of several ancient lunar periods, including the Aitkenian, Nectarian and Imbrian periods, to approximately 4.33 billion, 4.17 billion and 3.92 billion years ago, respectively.
More significantly, the researchers used the 2-billion-year age boundary to divide the Eratosthenian into an early and a late epoch. The team said this marks the first time an age boundary derived from samples independently collected by China has been incorporated into such a detailed Chinese lunar geological chronology.
"The moon's story itself has not changed, but its timeline has," Jin said. "We once thought that major lunar volcanism had essentially cooled down about 3 billion years ago. Now we know that the Moon remained volcanically active until at least about 2 billion years ago. That means the thermal evolution of the lunar interior and many of the causal relationships in its later history need to be re-examined."
Ding highlighted a newly mapped rock type in the South Pole-Aitken Basin - gabbronorite - identified with the help of the latest Chang'e-4 and Chang'e-6 exploration results. 
The vast basin on the lunar far side is one of the moon's largest and oldest impact crater.
"This is like being able to directly see material from deeper inside the moon," Ding said. "Previously, much of this could only be inferred from remote-sensing observations. With Chang'e-4 in-situ exploration and Chang'e-6's returned samples, we now have much stronger evidence for identifying its existence and distribution."
Another important revision concerns KREEP, a lunar geochemical component enriched in potassium, rare-earth elements and phosphorus and commonly associated with elevated concentrations of radioactive heat-producing elements such as thorium and uranium.
According to Ding, earlier models suggested that KREEP-rich material was concentrated in a relatively limited area. Higher-resolution data used in the new mapping project indicate a broader and more continuous distribution than previously thought, suggesting that its abundance may have been underestimated.
Ding said the finding is scientifically important not only for assessing potentially resource-rich lunar materials, but also because the distribution of KREEP provides clues to the crystallization of the early lunar magma ocean, the thickness of the lunar crust and the moon's internal thermal evolution.
The map's colors also carry geological meaning. The team follows a principle of "lighter for younger, darker for older": relatively young Copernican impact materials are depicted in bright pale yellow, ancient Aitkenian impact materials in deep purplish red, while mare basalts are represented in varying shades of blue.
"The color system combines the logic of geological evolution with elements of traditional Chinese color aesthetics, giving China's lunar geological maps a distinctive scientific and visual identity," Ding said.
Beyond basic science, the researchers said the new geological map can serve as a strategic base map for China's future lunar exploration, including subsequent Chang'e missions and planning related to the International Lunar Research Station (ILRS).
A refined geological chronology can help scientists understand the age and modification history of candidate regions; updated rock mapping can identify areas of particular scientific or resource interest; and the global-scale representation allows mission planners to compare broad regions before moving to higher-resolution site studies.
Asked whether the map could directly support the Chang'e-7 and Chang'e-8 missions, Jin stressed that its role is primarily strategic rather than tactical.
"The 1:5,000,000 geological map is a global-scale foundational map. It can be used for broad comparisons of potential landing regions and for evaluating their overall geological context," Jin said. "Precise landing-site selection and detailed rover-route planning, however, require higher-resolution regional geological maps. The two work together, moving progressively from the global scale to finer regional scales."
The scientists also stressed that the map is intended to be shared with the international scientific community. Digital versions are expected to be released through professional publications and public scientific databases, while the standardized symbols and mapping rules could facilitate exchanges with other planetary geological mapping systems.
Ding said significant room remains for international cooperation, from comparing and translating different geological mapping standards to joint studies of the evolution of the lunar far side and the origin of the ancient South Pole-Aitken Basin.
"China possesses unique exploration data and returned lunar samples, which provide a strong foundation for cooperation," Ding said, adding that planetary science, scientific training and deep-space exploration technologies all offer potential areas for expanded exchanges.
"A precise geological map of the moon is an important foundation for humanity to explore deep space and understand the universe," Jin said.
The latest map, he noted, is not an endpoint. As China proceeds with subsequent lunar exploration missions and acquires new observations and samples, the geological picture of the Moon will continue to be refined.
"Future exploration will allow us to keep updating our understanding of lunar geology," Jin said. "At the same time, we hope these results can contribute to broader international scientific cooperation and to humanity's exploration of the moon."
。    　　黄金重拾涨势，金矿股水涨船高。
　　上周，伦敦现货黄金价格连续突破每盎司4400美元、4500美元和4600美元三道整数关口，周涨幅达5.18%，录得周线三连涨。COMEX黄金期货最高触及4690美元/盎司，较7月阶段低点4022美元/盎司，最大反弹超16%。　　与此同时，上周A股中报密集披露，多家金矿企业交出净利润大幅增长的亮眼成绩单。据统计，已披露业绩的6家金矿企业上半年均实现营收、净利双增长，其中3家净利增长翻倍。　　在金价和业绩双重提振下，A股及港股黄金概念股8月以来保持强势，板块内多只个股掀起涨停潮；黄金股ETF月内涨幅超过20%。业内人士分析称，因金矿开采成本刚性，金价上涨带动利润增长，叠加金矿公司产量扩张，业绩增速远超金价涨幅，黄金股的弹性显著高于金价。　　业绩与金价共振　　A股黄金板块中报披露自8月下旬起进入密集期，上周多家公司已相继交出亮眼成绩单。　　总的来看，业绩增速与金价涨幅高度正相关。2026年上半年，伦敦现货黄金同比上涨超50%，而6家A股金矿公司净利润增速均值为73%，利润增速远超金价涨幅，成本刚性的杠杆效应在财报中得到验证。　　其中，龙头股紫金矿业（601899.SH）于8月21日晚间披露半年报。上半年实现营业收入1941.78亿元，同比增长15.78%；归母净利润为391.7亿元，同比增长68.17%，日赚约2.16亿元。

B | 报告期内，公司矿产金约46.7吨，同比增长13.4%。
　　招金黄金（000506.SZ）、四川黄金（001337.SZ）等矿企，受益于量价齐升，净利润增速分别达到407%和160%以上，弹性更为突出。　　招金黄金中期业绩显示，公司上半年实现收入3.63亿元，同比增长85.13%；归母净利润为2.27亿元，同比增长407.44%；四川黄金半年报显示，上半年实现营业收入8.27亿元，同比增长87.03%；归母净利润为4.33亿元，同比增长107.34%。
　　不过，恒邦股份（002237.SZ）归母净利翻倍却是靠减持撑起，扣非归母净利反而出现下滑。
　　恒邦股份于8月21日披露的2026年半年度报告显示，上半年实现营业总收入621.78亿元，同比增长44.43%；归母净利润为6.72亿元，同比增长112.60%。

C | 然而，扣非归母净利润仅为3.74亿元，同比下降9.08%。　　该公司同时称，归母净利润翻倍主要来自本期减持参股公司万国黄金4312万股股份，确认非经常性损益约2.98亿元，该收益不具备可持续性；同时，扣非净利润下滑主要系本期计提存货跌价准备6.24亿元，对核心盈利产生压制。　　8月最后一周，多家金矿公司将密集披露中报。

D | 中信证券分析，从估值角度看，7月份金价承压背景下黄金板块PE降低至10.3倍左右，处于历史低位区间，随着金价站稳4600美元并有望进一步上行，叠加中报业绩的持续验证，黄金板块有望迎来业绩与估值共振上行。　　金价重回上升通道　　8月以来，金价连续上涨，行情加速演绎。截至8月23日，伦敦黄金现货价格实现连续三周上涨，月累计涨幅约12%。

E | 目前交投于4550美元/盎司附近，上行动能充足。　　宏观面上，美国联邦政府债务总额已突破40万亿美元。美国财政部宣布，将长期国债（10年至20年期区间及20年至30年期区间）回购规模扩大至少一倍。　　道明证券分析称，美国财政部释放支持长期限美债市场的信号，若美联储忽略暂时性的能源价格上涨，将对黄金形成更有利的推动。这也意味着，当前金价上涨已经突破了传统的利率机会成本逻辑，即使美国国债收益率回升，黄金的中期基本面也有支撑。

F | 　　瑞银大宗商品分析师乔瓦尼·施陶诺沃表示，全球债务水平攀升叠加美元持续走弱，正是去年金价大涨的底层逻辑，如今这些担忧再度卷土重来。瑞银维持年底金价目标在4600美元/盎司，并新推出2027年9月底目标价5400美元/盎司。

G | 　　对金价的中长期展望，多家外资机构开始指向黄金重回上行通道。　　花旗将未来一年黄金价格看向每盎司5000美元～6000美元，核心依据是美国财政部干预、美债期限溢价失控风险、美元偏弱以及“去美元化”交易重启。　　德意志银行给出的金价年末目标为每盎司4700美元～5100美元，并分析称，依托全球央行购金与ETF回流——黄金ETF过去30天净流入约150万盎司、年内累计增加约400万盎司，而2026年第一季度全球央行购金金额达到388.8亿美元——金价有望继续上行。　　“从全球债务高企、美元信用走弱、央行购金趋势不改的中长期视角看，黄金的底层支撑稳定。”行业分析人士提示称，当然，风险因素同样不可忽视。若美联储超预期转鹰、地缘冲突再度升级推升油价、结构性买盘弱于预期，金价短期仍可能面临波动。（文章来源：第一财经）。