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Snowpack models can provide detailed insight into the evolution of the snow stratigraphy in ways that are not possible with direct observations. To solve this issue, we've developed a estimating system for snow profiles that will help to synthesize large numbers of snow profiles into a more complete overview of the current conditions.
Source link: https://doi.org/10.5194/tc-2022-29
The Citronen Fjord massive sulphide deposit in North Greenland's Lower Palaeozoic is the world's largest salt deposit mineralization. The overall base metal resource is expected to be 20 million tonnes of 7 percent zinc, with a higher grade core of 7 million tons of 9 percent zinc and 11% lead. The Citronen Fjord deposit is located at the eastern end of the Palaeozoic Franklin Basin, which stretches across northern Greenland and into eastern Canada's Arctic Islands. In the dark argillaceous rocks of the Amundsen Land Group's latest Ordovician to Early Silurian age, a sequence of cherts and shales with siltstones and mudstones is embedded, capped by carbonate flow conglomerates derived from the nearby southern carbonate shelf, stratiform mineralization is based. The Lower Palaeozoic strata at Citronen Fjord are part of the North Greenland Fold Belt's southern margin, with southerly facing folds and thrust faults. A new geological map of the Citronen Fjord area is displayed, with Cambrian, Ordovician, and Silurian strata illustrated in two north-south cross-sections illustrating the main structure. It is estimated that the Citronen Fjord stratigraphy could be of local growth in a sub-basin controlled by syn-genetic faults.
Source link: https://doi.org/10.34194/ggu-bulletin.v179.6270
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