Derek D.V. Leung

Derek D.V. Leung
Laurentian University

PhD Candidate

About

4
Publications
832
Reads
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3
Citations
Citations since 2016
4 Research Items
2 Citations
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20162017201820192020202120220.00.51.01.52.0
20162017201820192020202120220.00.51.01.52.0

Publications

Publications (4)
Article
Full-text available
Catastrophic failure in brittle, porous materials initiates when smaller-scale fractures localise along an emergent fault zone in a transition from stable crack growth to dynamic rupture. Due to the rapid nature of this critical transition, the precise micro-mechanisms involved are poorly understood and difficult to image directly. Here, we observe...
Article
Full-text available
The duopoly of curling stone sources suitable for international competition (Ailsa Craig, Firth of Clyde, Scotland and Trefor, Llŷn Peninsula, North Wales) has led to a long-held paradigm that the rocks from these localities are geologically unique. To evaluate this paradigm, we provide the first comprehensive, detailed analyses of the geological,...
Preprint
Full-text available
Catastrophic failure in brittle, porous materials initiates when smaller-scale fractures localize along an emergent failure plane or 'fault' in a transition from stable crack growth to dynamic rupture. Due to the extremely rapid nature of this critical transition, the precise micro-mechanisms involved are poorly understood and difficult to capture....
Article
Full-text available
Windmountainite, ideally □Fe3+2Mg2□2Si8O20(OH)2(H2O)4·4H2O, is a new mineral species and member of the palygorskite group discovered as orange-brown, radiating aggregates that commonly fill vesicles (average 1.5 × 2.5 mm) within a phonolite dike at Wind Mountain, Otero County, New Mexico, USA. The mineral develops as tightly bound bundles (up to 0....

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