2022 Sea Level Rise Technical Report

This Sea Level Rise Technical Report provides the most up-to-date sea level rise projections available for all U.S. states and territories; decision makers will look to it for information. This multi-agency effort, representing the first update since 2017, offers projections out to the year 2150 and information to help communities assess potential …

Geological Characteristics and Ore‐forming Time of the Dexing …

The Dexing porphyry copper ore mine is located in the Qin-Hang metallogenic belt between the Yangtze block and the Cathaysia block. It is a giant porphyry copper mine in China, including 3 ore districts: Tongchang, Fujiawu and Zhushahong. Our analyses of Re in molybdenite indicate that the ore-forming material of the copper ore …

SBAS-InSAR Based Deformation Monitoring of Tailings Dam: …

The deformation rates in the area range between −46 mm/yr and +13 mm/yr. The lowest value of −46 mm/yr is located near the dam's crest (blue triangle in Figure 5), …

Continuous Detection of Surface-Mining Footprint in Copper Mine …

This means that we obtained an ideal detection effect; (2) the surface-mining area was increasing from 1986-2020 in the Dexing copper mine, and the accumulation of mining damage is approximately ...

A new approach for evaluation of slope stability in large …

Current research on the Dexing Copper Mine concentrates primarily on copper mining, the impact of mining on the ecological environment, mine slope management, mine geological information, and ...

Geochemical and mineralogical characterization of tailings of …

This study re-assess the environmental impacts of the Dexing copper mine (the largest open-pit copper mine in Asia) on the Lean river and its two tributaries (the …

Geological Characteristics and Ore‐forming Time of the Dexing …

The Dexing porphyry copper ore mine is located in the Qin‐Hang metallogenic belt between the Yangtze block and the Cathaysia block. It is a giant porphyry copper mine in China, including 3 ore districts: Tongchang, Fujiawu and Zhushahong. Our analyses of Re in molybdenite indicate that the ore‐forming material of the copper ore …

Multi-level and precise evaluation of slope stability in …

1 Multi-level and precise evaluation of slope stability in large 2 open-pit mines: a case study at Dexing Copper Mine, China 3 4 Shi-Gui Du1, Charalampos Saroglou2,3, Chen4, Hang Lin4, Rui ...

Distribution and Source Apportionment of Heavy Metals in …

Dexing Copper Mine in Dexing City is the largest open-pit copper mine in Asia and one of the eight super-large porphyry copper mines with reserves of more than 10,000 tons in the world.

Sea Level Projection Tool

Visualize and download global and local sea level projections from the Intergovernmental Panel on Climate Change Sixth Assessment Report.

Geochemical and mineralogical characterization …

The Dexing copper mine is the largest open pit copper mines in Asia, with mining and beneficiation history stretching back more than half a century; consequently it has large amounts of ore tailings.

Global-scale impact analysis of mine tailings dam failures: …

Based on 20 copper mine tailings dam failures, we found that ~ 38% of the tailings volume stored in the dams was released into the environment, whereas 24% of …

Assessment of heavy metal concentrations in roadside soils …

Assessment of heavy metal concentrations in roadside soils and plants around the Dexing copper mine: implications for environmental management and remediation Environ Monit Assess . 2024 Feb 10;196(3):251. doi: 10.1007/s10661-024 …

(PDF) Multi-level and Precise Evaluation of Slope Stability in …

Multi-level and Precise Evaluation of Slope Stability in Large Open-pit Mines: a Case Study at Dexing Copper Mine, China April 2021 DOI: 10.21203/rs.3.rs-409378/v1

SBAS-InSAR Based Deformation Monitoring of Tailings Dam: …

The No.4 tailings pond of the Dexing Copper Mine is the second largest in Asia. The tailing pond is a dangerous source of man-made debris flow with high potential energy. In view of the lack of effective and low-cost global safety monitoring means in this region, in this paper, the time-series InSAR technology is innovatively introduced to …

Evaluation of Spatial-Temporal Variation of Vegetation Restoration …

Abstract: Taking the Dexing Copper Mine in Jiangxi Province, China as an study area, we used the long-term sequence summer Landsat images in 2002–2019 to investigate the variation of vegetation growth status and their ecological restoration effects. According to the specific situation of the study area, the Green-Red Normalized …

What is my elevation?

Roman Colosseum, Italy - The Colosseum is located at an elevation of about 35 meters (115 feet) above sea level in Rome. Taj Mahal, India - The Taj Mahal is situated at an elevation of around 171 meters (561 feet) above sea level on the banks of the Yamuna River in Agra. Water Quality

Quellaveco Open Pit Copper Mine in Peru – Project Case …

The Quellaveco mine is located at the high altitude of 3,000 to 3,500 meters above sea level and required significant investment in road and water infrastructure over a geographically widespread area spanning roughly 150 kilometers from the mountains to …

Elevation Map

Elevation is a measurement of height above sea level. Elevation typically refers to the height of a point on the earth's surface, and not in the air. Altitude is a measurement of an object's height, often referring to your height above the ground (such as in …

Technological assessment of a mining-waste dump at the Dexing copper …

The total weight of the copper metal within the WRD in Dexing exceeds 1.2 million tonnes. The exploitation of waste rock by traditional method was not economical, but dump leaching has the advantages of low investment, better working conditions, and lower energy consumption (Wu et al., 2007).In order to extract copper metal from those …

Abstract and Figures

The Dexing copper mine is the largest open pit copper mines in Asia, with mining and beneficiation history stretching back more than half a century; consequently it has large amounts of ore tailings.

Characterizations of heavy metal contamination, microbial community

Presently, the largest open-pit copper mine in China is Dexing Copper Mine, which locates in Jiangxi province. This copper mine has been operational for over 30 years and was regarded as a site of catastrophic releases of …

41 Bingham Canyon Mine Facts: Know More About Utah's Copper …

The depth of the mine ranges between 8,040-4390 ft (2.5-1.3 km) above sea level. What is the history of the Bingham Canyon Mine? ... It was originally opened as a gold and silver mine in 1906, but it soon became a copper mine after large amounts of copper ore were discovered nearby. In 1911, the Utah Copper Company purchased the …

Stability analysis of a copper tailings dam via laboratory …

Above level 1970 m, a typical open-pit mining method will be used for the shallow ore body. Below level 1970 m, an underground mining method will be used to …

Assessment of the application of copper stress vegetation …

We are the first to apply the copper stress vegetation index (CSVI) on a remotely sensed image and the purpose is to verify the effectiveness of CSVI at the satellite-image scale. The study area was located at the Dexing Copper Mine, Jiangxi Province, China. First, the data preprocessing for the Hyperion image was conducted, …

SBAS-InSAR Based Deformation Monitoring of Tailings Dam: …

The No.4 tailings pond of the Dexing Copper Mine is the second largest in Asia. The tailing pond is a dangerous source of man-made debris flow with high potential energy. ... SBAS-InSAR Based Deformation Monitoring of Tailings Dam: The Case Study of the Dexing Copper Mine No.4 Tailings Dam Sensors (Basel). 2023 Dec 8;23(24):9707. …

Geochemical and mineralogical characterization of …

Abstract: The Dexing copper mine is the largest open pit copper mines in Asia, with mining and beneficiation history stretching back more than half a century; consequently it has large amounts of ...

Assessment of heavy metal concentrations in roadside soils …

Located in Dexing City, Jiangxi Province, China (Fig. 1), the Dexing copper mine stands as the largest open-pit copper mine in the country (Jiang et al., 2021b). Initiated in 1958, the mine has witnessed over three decades of continuous, large-scale open-pit mining. ... which ranged between 1.24 and 5.31%, indicating a high level of …

Geochemical and mineralogical characterization of tailings of …

In total, 1400 tailing samples from 35 drill cores were collected from the 1 tailings pond at the Dexing copper mine. All samples were analyzed to determine their …

Geochemical and mineralogical characterization of tailings of …

The Dexing copper mine is the largest open pit copper mines in Asia, with mining and beneficiation history stretching back more than half a century; consequently it has large amounts of ore tailings. ... Silica, Cu, Mo and Ti are enriched in the dam area of the tailings pond, whereas Al 2 O 3 and K 2 O are enriched in the impoundment area. …