EXPLORE: Issues

The AAG is in the process of attributing Digital Object Identifiers (DOIs) to the science/technical articles published in the EXPLORE newsletter. This attribution is progressing from the current/latest EXPLORE issue to older ones.

Download a spreadsheet listing all the science articles published in EXPLORE since 1987 in XLS format or CSV format.

2025

Issue 208, September
-full issue
-science article: New methodology for air mercury surveys over mineralization

Issue 207, June
-full issue
-science article: Uranium, molybdenum and thallium isotopes in clay-sized material (< 2 μm size fraction) from the McArthur River uranium deposit (Saskatchewan, Canada): a moving story

Issue 206, March
-full issue
-science article: Nature’s sentinels – lichens as biomonitors: a guide with case study and methodological insights

2024

Issue 205, December
-full issue
-no science article

Issue 204, September
-full issue
-science article: The use of bulk cyanide leach in gold assays of drill core and rock sample

Issue 203, June
-full issue
-science article: Indicator minerals for lithium exploration in glaciated terrain

Issue 202, March
-full issue
-science article: Heavy mineral exploration on the continental scale

2023

Issue 201, December
-full issue
-science article: Inverting the missing SiO2 and LOI contents in the North American Soil Geochemical Landscapes datasets

Issue 200, September
-full issue
-science article: Portable X-ray Fluorescence (pXRF) detectORE™ analysis for Au in soils from the Archean Pilbara Craton, Western Australia

Issue 199, June
-full issue
-science article: The log transformation explained

Issue 198, March
-full issue
-science article: Old soils, new targets: Reassessing historic soil surveys with Ultrafine+® in a machine-learned landscape context

2022

Issue 197, December
-full issue
-science article: New era of geochemical surveys in the Kingdom of Saudi Arabia

Issue 196, September
-full issue
-science article: Standardization of field-portable short-wave infrared processing for mineral exploration

Issue 195, June
-full issue
-science article: Whole-rock geochemistry for intrusion-hosted magmatic Ni-Cu-Co exploration: identifying prospective host rocks

Issue 194, March
-full issue
-science article: Lithium analysis of brines and minerals for exploration and resource definition

2021

Issue 193, December
-full issue
-science article: Breathing new life into assay data using machine learning methods

Issue 192, September
-full issue
-science article: Geochemistry of LCT pegmatites in part of northeastern Nasarawa state, northcentral Nigeria

Issue 191, June
-full issue
-science article: Integration of geochemical and mineralogical data: an example from the Central Victorian Goldfields, Australia

Issue 190, March
-full issue
-science article: Sinclair: Australia's first caesium deposit: discovery and exploration implications
-science article: Recent applied geochemistry research in Africa contributed towards understanding causal cofactors of diseases of unknown aetiology
-science article: Minor elements - the middle child between petrochemistry and geochemistry

2020

Issue 189, December
-full issue
-science article: Measurement of seasonal variations in stream water chemistry using a portable photometer: case histories from central and southwestern British Columbia, Canada

Issue 188, September
-full issue
-science article: Cesium deposits
-science article: The Taron cesium-thallium epithermal geyserite deposit, Salta Province, Argentina

Issue 187, June
-full issue
-science article: Exploring for laterally transported copper in gravels using radon detectors

Issue 186, March
-full issue
-science article: Testing a rapid sampling and analysis workflow in the remote Nullarbor Plain, Australia

2019

Issue 185, December
-full issue
-science article: Why minus 80 mesh?
-science article: Petrological and geochemical study of the Precambrian basement complex rocks in Katchuan Irruan areas, southeast of Ogoja, Southeastern Nigeria

Issue 184, September
-full issue
-science article: Rapid hydrogeochemistry: a summary of two field studies from central and southern interior British Columbia, Canada using a photometer and voltammeter to measure trace elements in water

Issue 183, June
-full issue
-science article: Gold dispersion in transported cover sequences especially in chemical (palaeoredox front) and physical (unconformity) interfaces linked to the landscape history of Western Australia

Issue 182, March
-full issue
-science article: Application of Fourier transform infra-red spectroscopy (FTIR) for mineral quantification

2018

Issue 181, December
-full issue
-science article: New base metal mineral potential in southern Northwest Territories, Canada

Issue 180, September
-full issue
-science article: Lithogeochemical classification of hydrothermally altered Paleoproterozoic plutonic rocks associated with gold mineralization: examples from the Nanortalik Gold Belt of South Greenland and the “Gold Line” of northern Sweden

Issue 179, June
-full issue
-science article: Catchment analysis of re-analyzed regional stream sediment geochemical data from the Yukon

Issue 178, March
-full issue
-science article: Seaweed as an exploration medium along the inlets of British Columbia – part 2: chemical variations and long-term changes – Howe Sound
-science article: The search for gold in Greenland

2017

Issue 177, December
-full issue
-science article: Quantitative interpretation of orientation surveys

Issue 176, September
-full issue
-science article: Finally, a correlation coefficient that tells the geochemical truth
-science article: Seaweed as an exploration medium along inlets on the west coast of Canada – part 1: methods and results from Jervis Inlet

Issue 175, June
-full issue
-science article: Evidence of geothermal activity near the Nazko volcanic cone, British Columbia, Canada, from ground and surface water chemistry

Issue 174, March
-full issue
-science article: The use of automated indicator mineral analysis in the search for mineralization – A next generation drift prospecting tool

2016

Issue 173, December
-full issue (Download Appendix as Excel file)
-science article: Amalgamated lake-sediment data from Quebec and Labrador, Canada

Issue 172, September
-full issue
-science article: Basic indicator mineral math: why visual analysis of the entire heavy mineral fraction of large sediment samples is required on indicator mineral exploration programs in glaciated terrains

Issue 171, June
-full issue
-science article: Hg in rocks, soils and sediments: speciation and implications for sample processing and analysis

Issue 170, March
-full issue
-science article: Overview of indicator mineral research at the Geological Survey of Canada – an update

2015

Issue 169, December
-full issue
-science article: Gold homogeneity in certified reference materials; a comparison of five manufacturers

Issue 168, September
-full issue
-no science article

Issue 167, June
-full issue
-science article: A comparison of Shewhart, Thompson and Howarth, and Youden plots – advantages and disadvantages

Issue 166, March
-full issue
-science article: Optimised detection limits for multi-element geochemical analysis

2014

Issue 165, December
-full issue
-science article: GeoVIEW.WA – an interactive geological resource

Issue 164, September
-full issue
-science article: Reproducibility of gold analyses in stream sediment samples from the White Gold District and Dawson Range, Yukon Territory, Canada

Issue 163, June
-full issue
-science article: The evolution of the Geological Survey of Canada’s regional reconnaissance geochemical drainage sediment and water surveys

Issue 162, March
-full issue
-science article: Coupled XRF and XRD analyses for rapid and low-cost characterization of geological materials in the mineral exploration and mining industry

2013

Issue 161, December
-full issue
-science article: Evaluating the diffusive gradients in thin films technique for the detection of multi-element anomalies in soils

Issue 160, September
-full issue
-science article: Application of heavy stable isotopes to explain (bio)geochemical processes occurring during the formation, transport and remediation of metalliferous mine waters

Issue 159, June
-full issue
-science article: Determination of micro and nanoparticulate fraction gold in regolith

Issue 158, March
-full issue
-science article: Determination of gold in soils and sediments by fire assay or aqua regia digestion: choosing the optimal method

2012

Issue 157, December
-full issue
-science article: Particle size fractionation and chemical speciation of REE in a lateritic weathering profile in Western Australia

Issue 156, September
-full issue
-science article: Lithological discrimination in deeply weathered terrains using multielement geochemistry – an example from the Yanfolila Gold Project, Mali

Issue 155, June
-full issue
-science article: On-line access to geoscience bibliographic citations

Issue 154, March
-full issue
-science article: An appraisal of Québec’s extensive geochemical database

2011

Issue 153, December
-full issue
-science article: Continental geochemical survey opens up fresh avenues for mineral exploration and natural resource management in Australia

Issue 152, September
-full issue
-science article: Responses in lake sediments and waters to occurrences of rare earths and rare metals in the Canadian Shield

Issue 151, June
-full issue
-science article: Rising to the challenge – applications of cell-based ICP-MS to the analysis of geological samples

Issue 150, March
-full issue
-science article: Age, tectonic setting, lithogeochemistry and hydrothermal alteration of volcanogenic massive sulfide mineralization in the Chahgaz region, South Sanandaj-Sirjan zone of Iran

2010

Issue 149, December
-full issue
-science article: Canadian geochemical data on the web
-science article: How many samples should be enough?

Issue 148, September
-full issue
-science article: How many samples are enough?

Issue 147, June
-full issue
-science article: Digital field data capture: the Geological Survey of Denmark and Greenland experiences in Greenland

Issue 146, March
-full issue
-science article: Hydrogeochemistry for mineral exploration in Western Australia (I): methods and equipment
-science article: Hydrogeochemistry for mineral exploration in Western Australia (II): case studies

2009

Issue 145, December
-full issu e
-science article: Europium-rich dark monazite – a potential new ore mineral for Alaska, USA?
-science article: Geophysical support for geochemistry in detecting deeply buried mineralisation: a case study from Mandamah, Australia

Issue 144, September
-full issue
-no science article

Issue 143, June
-full issue
-science article: The GOPE 25 kimberlite discovery, Botswana, predicated on four Mg-ilmenite grains from reconnaissance soil samples: a case history

Issue 142, March
-full issue
-science article: Natural and experimental clues to understand the transport and deposition of supergene gold in Western Australia