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Introduction
Publications
Publications (14)
Photographic journey in Icelandic lava tubes. Published in LAVE, Revue de l'Association Volcanologique Européenne. n° 201, 23-26 (2021).
L’Islande est une île volcanique. Elle doit son existence à la présence combinée de la ride médio-atlantique et d’un point chaud. L’Islande est un véritable paradis des géologues, des volcanologues, des photographes et des amateurs de la Nature. On y vit la dérive des continents en temps réel, on y observe tous les édifices volcaniques, des geysers...
This article, authored by Michel Detay and Björn Hróarsson has recently been published in Géomorphologie Vol 24 No.4. It contains much that will be of interest to members of the commission, and the English abstract is included below.
Pahoehoe and Aa basaltic lavas flows are common in volcano islands such as Hawaii, Reunion Island or Iceland. They are present in every large igneous provinces (LIPs) and giant lava flows identified in planetary volcanology. In terms of both areal coverage and total volume, pahoehoe flows dominate basaltic lavas in the suaerial and submarine enviro...
Pāhoehoe and ‘a‘ā basaltic lava flows are common on volcanic islands such as Hawaii, Reunion Island and Iceland. They are present in all LIP and giant lava flows identified in planetary volcanology. In terms of both areal coverage and total volume, pāhoehoe flows dominate basaltic lavas in subaerial and submarine environments on Earth. Several proc...
Après une mise en perspective historique nous présentons un rapide état des connaissances en matière de tunnels de lave et de spéléothèmes volcaniques (lavacicles). Nous jetons les bases de la contribution de la volcanospéléologie aux géosciences. Enfin, nous présentons une dizaine de tunnels de lave islandais remarquables avant de conclure sur le...
L'Islanda è ricca di tunnel scavati da lave fluide sui fianchi dei vulcani.
Queste gallerie, che si trovano anche su satelliti naturali e altri pianeti del sistema solare, ospitano curiose strutture di lava solidificata onoscete i «tunnel di lava»?
Queste strutture si trovano sui fianchi di alcuni vulcani e sono prodotte da colate laviche che si r...
Las coladas de lava fluida discurren y forman tubos en los flancos de los volcanes. Al finalizar las erupciones,
los tubos se vacían y dejan tras de sí galerías con curiosas estructuras de lava sólida
Certains volcans créent sur leurs flancs des tunnels où circulent les laves. Ces tubes se vident à la fin des éruptions, laissant des galeries pleines de curieuses structures de lave solide.
Ils sont nombreux en Islande.
Fáir þekkja þá undraveröld sem leynist víða undir hraunbreiðum landsins; hellana. Með gott vasaljós að vopni, hjálm og hlýjan fatnað má kynna sér þennan sérstæða heim sem allajafna er myrkri hulinn en býr í reynd yfir ótal litum, formum og furðum.
Hellahandbókin eftir Björn Hróarsson hefur að geyma leiðsögn í máli og myndum um 77 hraunhella sem te...