Results and publications

Here are the publications and presentations related to the T-MARS project.

Éloïse Brassard, Marie-Claude Williamson, Myriam Lemelin, Stéphanie Lachance, Hiba Aoid, Cassandra Marion, Sean Clark, Richard Léveillé (2023) L'Arctique canadien, un analogue à la planète Mars : Récit d'une campagne d'acquisition de données terrain. 90e Congrès de l'Acfas, 9 mai 2023, Montréal, Québec (poster).

Keywords: Arctic, analogous environments, data acquisition, gossans, Mars

Gaëlle Belleau-Magnat, Myriam Lemelin, Ed Cloutis (2023) Investigation of Biosignatures in Canadian Arctic Gossans Using Portable Field Remote Sensing Instruments. 54th Lunar and Planetary Science Conference, March 13-17, The Woodlands, Texas (poster).

Keywords: spectroscopy, Martian analogues, fieldwork

Éloïse Brassard, Myriam Lemelin, Marie-Claude Williamson (2023) Remote Sensing and Compositional Analysis of Gossans in the Canadian Arctic as Martian Analogues. 54th Lunar and Planetary Science Conference, March 13-17, The Woodlands, Texas (poster).

Keywords: fieldwork, XRD, XRF, spectroscopy, spectral unmixing

Marie-Claude Williamson, Myriam Lemelin, Cassandra Marion, Benoît Saumur (2023) Breccias and Gossans Associated with Shallow Igneous Intrusions on Earth and Mars: Case Studies at Two Analogue Sites in the Canadian Arctic Islands. 54th Lunar and Planetary Science Conference, March 13-17, The Woodlands, Texas (poster).

Keywords: igneous intrusions, hydrothermal deposits, comparative studies

Myriam Lemelin, Marie-Claude Williamson, Richard Léveillé, Stéphanie Lachance, Éloïse Brassard, Hiba Aoid, Cassandra Marion, Sean Clark (2023) Spectral, geochemical and biological investigations of gossans in the Canadian Arctic as analogs to potential biosignature-preserving formations on Mars. IAVCEI 2023 Scientific Assembly, Jan 30-Feb 3, Rotorua, New Zealand (talk).

Keywords: gossan, geology, mineralogy, mapping, biosignatures, fieldwork

Stéphanie Lachance, Myriam Lemelin, Marie-Claude Williamson (2023) Remote predictive mapping of volcanic terrain in the High Arctic Large Igneous Province, Nunavut, Canada. IAVCEI 2023 Scientific Assembly, Jan 30-Feb 3, Rotorua, New Zealand (talk).

Keywords: remote predictive mapping, SOM classification, artificial neural network

Éloïse Brassard, Myriam Lemelin, Marie-Claude Williamson (2023) From Earth to Mars: Remote predictive mapping and mineral analysis of gossans, Axel Heiberg Island, Nunavut, Canada. IAVCEI 2023 Scientific Assembly, Jan 30-Feb 3, Rotorua, New Zealand (poster).

Keywords: fieldwork, XRD, XRF, spectroscopy, spectral unmixing

Stéphanie Lachance, Myriam Lemelin, Marie-Claude Williamson (2021) A new predictive remote mapping method applied to volcanic terrain of the
High Arctic Large Igneous Province, Nunavut, Canada. GAC-MAC 2021 Joint Annual Meeting, November 1-5 (poster).

Keywords: remote predictive mapping, SOM classification, artificial neural network

Myriam Lemelin, Marie-Claude Williamson, Richard Léveillé, Benoît DesRochers, Éloïse Brassard (2020) Reactive gossans in permafrost as indicators of ancient hydrothermal activity on Mars. American Geophysical Union Annual Meeting, December 1-17, online, abstract #728264 (invited poster).

Keywords: gossan, Earth, Mars, hydrothermal systems, Jezero Crater, sample analyses, fieldwork

Myriam Lemelin, Éloïse Brassard, Mickaël Germain (2020) Élaboration d’une plate-forme SIG sur le web pour le partage des résultats de recherche avec les communautés nordiques. 5e Sommet Pancanadien sur les infrastructures de données spatiales (IDS), 2-3 décembre, en ligne (invited talk).

Keywords: web GIS, data sharing, open source, WMS/WFS

Étienne Clabaut, Myriam Lemelin, Mickaël Germain, Marie-Claude Williamson, Éloïse Brassard (2020) A Deep Learning Approach to the Detection of Gossans in the Canadian Arctic. Remote Sensing, 12(19).

Keywords : gossan, deep learning, convolutional neural network, geo big data, multispectral, Landsat, Canadian Arctic

Étienne Clabaut, Myriam Lemelin, Mickaël Germain, Marie-Claude Williamson, Éloïse Brassard (2020) Convolutional Neural Network and Landsat 8 Imagery to Detect Gossans in the Canadian Arctic. Geological Society of America Abstracts with Programs, vol 52, no. 6. GSA 2020 Connects Online, October 29 (talk).

Keywords: gossan, deep learning, convolutional neural network, geo big data, multispectral, Landsat, Canadian Arctic

Myriam Lemelin, Marie-Claude Williamson, Richard Léveillé, François Doucet (2020) Comparative geologic mapping of gossans on Earth and Mars. 51st Lunar and Planetary Science Conference, March 16-20, The Woodlands, Texas (poster).

Keywords: gossan, geology, mineralogy, mapping, WorldView, fieldwork