Science images: BRGM wallpapers for computers and smartphones

Wallpaper No. 1 - A disused Tithonian limestone quarry on the Isle of Portland, now affected by severe coastal erosion (Great Britain, 2015).

Wallpaper No. 2 - Close-up of the 1:250,000 map of Montpellier, showing the Balaruc-les-Bains area (2015).

Wallpaper No. 3 - Landslip at Sauvat (Cantal, 2014).

Wallpaper No. 4 - Salt deposits in Lake Assal in the Afar Depression (Ethiopia, 2011).

Wallpaper No. 5 - A 5 cm sample of wulfenite (Arizona, USA).

Wallpaper No. 6 - GPS station in Iceland (Myvatn, Iceland, 2016).

Wallpaper No. 7 - A limestone pavement in the Désert de Platé, a site of outstanding geological interest in the Rhône-Alpes region (Platé, Haute-Savoie, 2004).

Wallpaper No. 8 - Lutetian limestone has been extracted intensively in the north-east of the Paris Basin in the form of vast underground quarries (Aisne, 2019).

Wallpaper No. 9 - Palaeozoic sandstone eroded into improbable shapes on the Tassili plateau (Hoggar, Algeria, 2007).

Wallpaper No. 10 - Rock formation near Lake Kleifarvatn (Iceland, 2019).

Wallpaper No. 11 - Seltún geothermal field (Iceland, 2019).

Wallpaper No. 12 - Stromatolite horizon in a chromite deposit (South Africa).

Wallpaper No. 13 - Port Blanc cliffs, an example of differential erosion in geological formations (Côte Sauvage, Brittany, 2019).

Wallpaper No. 14 - A 4.5 cm scheelite sample (Traversella, Piedmont, Italy).

Wallpaper No. 15 - A 5 cm sample of acanthite (Freiberg, Saxony, Germany).

Wallpaper No. 16 - ReunEM heliborne geophysical survey of La Réunion (2014).

Wallpaper No. 17 - Yellowstone National Park (Wyoming, USA, 2014).

Wallpaper No. 18 - Installing seismic stations to monitor collapses of the rampart at Reunion Island, under the RenovRisk project (Le Maïdo, 2019).

Wallpaper No. 19 - Canadian Banded Iron Formation (Beardmore-Geraldton Belt, Ontario, Canada).

Wallpaper No. 20 - The Lavu di l'Uriente, a mountain lake to the north of Monte Rotondo in Corsica, surrounded by characteristic pozzi formations (Haute-Corse, 2013). 

Wallpaper No. 21 - 3D scan of an underground gallery (Haute-Vienne, 2018).

Wallpaper No. 22 - The ReunEM heliborne geophysical survey of La Réunion.

Wallpaper No. 23 - Erosion at the Lautaret-Galibier pass (Hautes-Alpes, 2015).

Wallpaper No. 24 - As part of a project to evaluate water resources in the Vosges, geophysical investigations were carried out in the Parc des Ballons des Vosges. Geophysical profiles are geolocated using differential GPS (Haut-Rhin, 2019).

Wallpaper No. 25 - Geological mapping in the 1960s.

Wallpaper No. 26 - The famed gorges of Daluis, carved into red Permian sandstone by the Var river (between Puget-Théniers and Valberg, Var, 2007).

Wallpaper No. 27 - A neoproteozoic dolomite outcrop on the eastern flank of the Nyanga basin (Gabon, 2006).

Wallpaper No. 28 - Differential erosion of the limestone rocks of the Izoard Pass - Haute-Alpes, June 2015).

Wallpaper No. 29 - Aerial view of the Aigues-Mortes salt works (Gard, 2014).

Wallpaper No. 30 - Falaise des Confessionnaux (Confessional Cliff) at Lion-sur-Mer (Calvados, 2019).

Wallpaper No. 31 - Tuff formation at the Rolamport calcifying spring: a fragile environment now protected and equipped for visitors (Haute-Marne, 2006).

Wallpaper No. 32 - The Uyuni salt flat (salar) is located at an elevation of 3,500 metres. With a surface of over 10,000 km², it is the world’s largest salt surface as well as its greatest lithium deposit (Sur Lipez, Bolivia, 2002).

Wallpaper No. 1 - A disused Tithonian limestone quarry on the Isle of Portland, now affected by severe coastal erosion (Great Britain, 2015).

Wallpaper No. 2 - Close-up of the 1:250,000 map of Montpellier, showing the Balaruc-les-Bains area (2015).

Wallpaper No. 3 - Landslip at Sauvat (Cantal, 2014).

Wallpaper No. 4 - Salt deposits in Lake Assal in the Afar Depression (Ethiopia, 2011).

Wallpaper No. 5 - A 5 cm sample of wulfenite (Arizona, USA).

Wallpaper No. 6 - GPS station in Iceland (Myvatn, Iceland, 2016).

Wallpaper No. 7 - A limestone pavement in the Désert de Platé, a site of outstanding geological interest in the Rhône-Alpes region (Platé, Haute-Savoie, 2004).

Wallpaper No. 8 - Lutetian limestone has been extracted intensively in the north-east of the Paris Basin in the form of vast underground quarries (Aisne, 2019).

Wallpaper No. 9 - Palaeozoic sandstone eroded into improbable shapes on the Tassili plateau (Hoggar, Algeria, 2007).

Wallpaper No. 10 - Rock formation near Lake Kleifarvatn (Iceland, 2019).

Wallpaper No. 11 - Seltún geothermal field (Iceland, 2019).

Wallpaper No. 12 - Stromatolite horizon in a chromite deposit (South Africa).

Wallpaper No. 13 - Port Blanc cliffs, an example of differential erosion in geological formations (Côte Sauvage, Brittany, 2019).

Wallpaper No. 14 - A 4.5 cm scheelite sample (Traversella, Piedmont, Italy).

Wallpaper No. 15 - A 5 cm sample of acanthite (Freiberg, Saxony, Germany).

Wallpaper No. 16 - The Jonquilles River has carved its path through the Jurassic limestone of the north-eastern edge of the Aquitaine Basin (Corrèze, 2018).

Wallpaper No. 17 - After an unsuccessful piezometric measurement, the light attached to the probe reveals a heap of pebbles (Jordan, 2014).

Wallpaper No. 18 - Installing seismic stations to monitor collapses of the rampart at Reunion Island, under the RenovRisk project (Le Maïdo, 2019).

Wallpaper No. 19 - Resumption of activity (ash clouds) of the Ol Doinyo Lengai volcano, a carbonatite volcano, in Masai territory (Arusha Region, 2008).

Wallpaper No. 20 - Yellowstone National Park (Wyoming, USA, 2014).

Wallpaper No. 21 - Canadian Banded Iron Formation (Beardmore-Geraldton Belt, Ontario, Canada.

Wallpaper No. 22 - 3D scan of an underground gallery (Haute-Vienne, 2018).

Wallpaper No. 23 - ReunEM heliborne geophysical survey of La Réunion (2014).

Wallpaper No. 24 - The Lavu di l'Uriente, a mountain lake to the north of Monte Rotondo in Corsica, surrounded by characteristic pozzi formations (Haute-Corse, 2013).

Wallpaper No. 25 - The ReunEM heliborne geophysical survey of La Réunion.

Wallpaper No. 26 - Erosion at the Lautaret-Galibier pass (Hautes-Alpes, 2015).

Wallpaper No. 27 - As part of a project to evaluate water resources in the Vosges, geophysical investigations were carried out in the Parc des Ballons des Vosges. Geophysical profiles are geolocated using differential GPS (Haut-Rhin, 2019).

Wallpaper No. 28 - Geological mapping in the 1960s.

Wallpaper No. 29 - The famed gorges of Daluis, carved into red Permian sandstone by the Var river (between Puget-Théniers and Valberg, Var, 2007).

Wallpaper No. 30 - A neoproteozoic dolomite outcrop on the eastern flank of the Nyanga basin (Gabon, 2006).

Wallpaper No. 31 - Differential erosion of the limestone rocks of the Izoard Pass - Haute-Alpes, June 2015).

Wallpaper No. 32 - Aerial view of the Aigues-Mortes salt works (Gard, 2014).

Wallpaper No. 33 - Falaise des Confessionnaux (Confessional Cliff) at Lion-sur-Mer (Calvados, 2019).

Wallpaper No. 34 - Tuff formation at the Rolamport calcifying spring: a fragile environment now protected and equipped for visitors (Haute-Marne, 2006).

Wallpaper No. 35 - Between two lava flows, a superficial layer of cinders rich in iron compounds was transformed into earth before turning into clay due to the warm and humid climate of the Tertiary Age. After another lava flow on this acidic ground, the iron oxidised, thus giving the stratum its reddish colour (Iceland, 2013).

Wallpaper No. 36 -The ReunEM heliborne geophysical survey of La Réunion.