通过实时处理和分析最大化高光谱钻芯扫描的价值

IF 2 3区 地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY
Samuel T. Thiele, Moritz Kirsch, Sandra Lorenz, Houda Saffi, Safia El Alami, Isabel Cecilia Contreras Acosta, Yuleika Madriz, Richard Gloaguen
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引用次数: 0

摘要

高光谱成像技术在资源领域的应用越来越广泛,可用于矿物勘探、地质冶金和矿山测绘。然而,许多高光谱数据集(>1 Tb)的庞大规模以及相关的校正、可视化和分析挑战会限制将这项技术整合到时间紧迫的勘探和采矿工作流程中。在本文中,我们提出并演示了一种新型开源工作流程,用于快速处理在勘探钻孔上获取的高光谱数据。由此产生的产品可满足地质学家、地球物理学家和地质工程师的不同需求,有助于在决策过程中更好地整合高光谱数据。这些工具被用于处理来自 Stonepark(爱尔兰)、Collinstown(爱尔兰)和 Spremberg(德国)的 6.4 公里勘探钻芯的高光谱数据。我们开发了一个开放源码的网络浏览平台,以方便现场和非现场访问高光谱数据及其衍生物。我们认为,如果高光谱数据是在钻探后不久获取并在现场实时处理的,那么就可以从这些数据中提取最大价值,这样就可以快速验证结果,并将其用于有关样本选择、地质解释(测井)和钻孔继续或终止的时间关键决策。这种及时性和可访问性是确保在矿产勘探和开采过程中为决策者快速提供数据的关键。最后,我们讨论了限制高光谱钻孔岩心扫描数据实时集成的几个剩余挑战,并探讨了随着这些丰富数据集的广泛收集而可能出现的一些机遇。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Maximising the value of hyperspectral drill core scanning through real-time processing and analysis
Hyperspectral imaging is gaining widespread use in the resource sector, with applications in mineral exploration, geometallurgy and mine mapping. However, the sheer size of many hyperspectral datasets (>1 Tb) and associated correction, visualisation and analysis challenges can limit the integration of this technique into time-critical exploration and mining workflows. In this contribution, we propose and demonstrate a novel open-source workflow for rapidly processing hyperspectral data acquired on exploration drillcores. The resulting products are adaptable to the varied needs of geologists, geophysicists and geological engineers, facilitating better integration of hyperspectral data during decision making. These tools are applied to process hyperspectral data of 6.4 km of exploration drill cores from Stonepark (Ireland), Collinstown (Ireland) and Spremberg (Germany). The results are presented via an open-source web-viewing platform that we have developed to facilitate easy on and off-site access to hyperspectral data and its derivatives. We suggest that maximum value can be extracted from hyperspectral data if it is acquired shortly after drilling and processed on-site in real time, so that results can be quickly validated and used to inform time-critical decisions on sample selection, geological interpretation (logging) and drillhole continuation or termination. This timeliness and accessibility is key to ensure rapid data availability for decision makers during mineral exploration and exploitation. Finally, we discuss several remaining challenges that limit the real-time integration of hyperspectral drill core scanning data, and explore some opportunities that may arise as these rich datasets become more widely collected.
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来源期刊
Frontiers in Earth Science
Frontiers in Earth Science Earth and Planetary Sciences-General Earth and Planetary Sciences
CiteScore
3.50
自引率
10.30%
发文量
2076
审稿时长
12 weeks
期刊介绍: Frontiers in Earth Science is an open-access journal that aims to bring together and publish on a single platform the best research dedicated to our planet. This platform hosts the rapidly growing and continuously expanding domains in Earth Science, involving the lithosphere (including the geosciences spectrum), the hydrosphere (including marine geosciences and hydrology, complementing the existing Frontiers journal on Marine Science) and the atmosphere (including meteorology and climatology). As such, Frontiers in Earth Science focuses on the countless processes operating within and among the major spheres constituting our planet. In turn, the understanding of these processes provides the theoretical background to better use the available resources and to face the major environmental challenges (including earthquakes, tsunamis, eruptions, floods, landslides, climate changes, extreme meteorological events): this is where interdependent processes meet, requiring a holistic view to better live on and with our planet. The journal welcomes outstanding contributions in any domain of Earth Science. The open-access model developed by Frontiers offers a fast, efficient, timely and dynamic alternative to traditional publication formats. The journal has 20 specialty sections at the first tier, each acting as an independent journal with a full editorial board. The traditional peer-review process is adapted to guarantee fairness and efficiency using a thorough paperless process, with real-time author-reviewer-editor interactions, collaborative reviewer mandates to maximize quality, and reviewer disclosure after article acceptance. While maintaining a rigorous peer-review, this system allows for a process whereby accepted articles are published online on average 90 days after submission. General Commentary articles as well as Book Reviews in Frontiers in Earth Science are only accepted upon invitation.
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