Review of till geochemistry and indicator mineral methods for mineral exploration in glaciated terrain

IF 1 4区地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS

Geochemistry-Exploration Environment Analysis Pub Date : 2023-08-21 DOI:10.1144/geochem2023-013

M. McClenaghan, R. Paulen, I. Smith, J. Rice, A. Plouffe, I. McMartin, J. Campbell, M. Lehtonen, M. Parsasadr, C. Beckett-Brown

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Abstract

Since the 1970s, till geochemical and indicator mineral methods for mineral exploration, provenance studies and environmental research in glaciated terrain have been developed, tested, and refined. This paper summarizes these methods, focussing on field and laboratory methods for till geochemical, indicator mineral, and boulder surveys. This review of protocols is meant to be a guide for the mineral exploration industry and publicly funded agencies. The paper summarizes till as a sample medium, describes the formation of glacial dispersal trains, and methods for till sample collection, sample processing, matrix geochemistry, indicator mineral analyses, quality assurance/quality control (QA/QC) procedures, and data reporting and interpretation. The methods described here can be used to conduct reconnaissance- to deposit-scale till sampling surveys to assess mineral resource potential and establish environmental baselines. Thematic collection: This article is part of the Reviews in Exploration Geochemistry collection available at: https://www.lyellcollection.org/topic/collections/reviews-in-exploration-geochemistry Supplementary material: https://doi.org/10.6084/m9.figshare.c.6786087

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冰川地貌找矿的till地球化学和指示矿物方法综述

自20世纪70年代以来，用于矿物勘探、物源研究和冰川地形环境研究的地球化学和指示矿物方法得到了发展、测试和完善。本文对这些方法进行了总结，重点介绍了土壤地球化学、指示矿物和漂石调查的现场和实验室方法。对协议的审查旨在为矿产勘探行业和公共资助机构提供指导。本文总结了till作为样品介质的情况，描述了冰川扩散序列的形成，以及till样品收集、样品处理、基质地球化学、指示矿物分析、质量保证/质量控制（QA/QC）程序以及数据报告和解释的方法。本文所述方法可用于进行从勘查到矿床规模直至抽样调查，以评估矿产资源潜力并建立环境基线。专题集：本文是勘探地球化学评论集的一部分，可在以下网站获取：https://www.lyellcollection.org/topic/collections/reviews-in-exploration-geochemistry补充材料：https://doi.org/10.6084/m9.figshare.c.6786087

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来源期刊

Geochemistry-Exploration Environment Analysis 地学-地球化学与地球物理

CiteScore

3.60

自引率

16.70%

发文量

审稿时长

1 months

期刊介绍： Geochemistry: Exploration, Environment, Analysis (GEEA) is a co-owned journal of the Geological Society of London and the Association of Applied Geochemists (AAG). GEEA focuses on mineral exploration using geochemistry; related fields also covered include geoanalysis, the development of methods and techniques used to analyse geochemical materials such as rocks, soils, sediments, waters and vegetation, and environmental issues associated with mining and source apportionment. GEEA is well-known for its thematic sets on hot topics and regularly publishes papers from the biennial International Applied Geochemistry Symposium (IAGS). Papers that seek to integrate geological, geochemical and geophysical methods of exploration are particularly welcome, as are those that concern geochemical mapping and those that comprise case histories. Given the many links between exploration and environmental geochemistry, the journal encourages the exchange of concepts and data; in particular, to differentiate various sources of elements. GEEA publishes research articles; discussion papers; book reviews; editorial content and thematic sets.