Noruega meridional: día 6 (Førde- Briksdal-Geiranger-Førde).
near Førde, Sogn og Fjordane (Norge)
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Trail photos
On our 6th day in Norway, we will visit the Suroccidental area in the vicinity of the town of Forde. The surprising geology of the country, is eclipsed by the beauty of its landscapes in constant change. Both aspects are intimately related and I will try to show them. For millions of years, the Baltic Plate (where the Scandinavian countries are located) has been formed on the basis of ancient clashes between continents. At present, for just one million years, the erosion of the last glaciacines has exposed these materials, showing them great and almost unique.
Waypoints
2.- Tomando la carretera E39 en dirección a Brisddal.
Tomando la carretera E365, dirección a Brisddal.
5.- En el desfiladero del Río Stardalselva.
En el desfiladero del Río Stardalselva.
7.- Fiordo de Innvikfjorden (cercanias de Utvik).
Fiordo de Innvikfjorden en las cercanias de Utvik.
10.- En el lago Oldevatnet.
Lake Oldevatnet is of glacial origin. The erosive action of the ice during the last glaciation has exposed a hidden volcanic landscape for millions of years. Its steep slopes are Monzonites; rocks of magmatic nature that form at great depths in volcanic areas. Here, 1,100 Ma, occurred the so-called Swedish-Norwegian Orogeny produced by the collision of two micro-continents. Baltic (which contains Norway) and Amazonia (South America). The result was the formation of the Gneiss present in the Southwest Norway (Western Gneiss Region) who contributed to the formation of a great supercontinent called Rodinia.
11.- Area de descanso de Briskdalsbre.
Rest area of Briksdalsbre, in front of the Volefossen Waterfall. In fact, the valley of Briksdals (Briksdalen) was an immense magmatic chamber that never reached the surface. Their lavas were formed at great depth during the Swedish Orogeny - Norway, about 1000 Ma ago At that time, the west of Norway (Baltic Plate), collided with the Amazonia-Oaxaquia Plate. Part of the crust of the latter, subduced and melted its rocks that formed a large magmatic chamber that today covers the Jostedalslbreen Glacier. The magma on cooling formed the dark Monzonites of the whole valley. Now, the fusion of the Briksdal Glacier has a positive consecuncia; You can observe close up this chamber covered by a flourishing vegetation and beautiful waterfalls.
12.- Iniciando el recorrido al Glaciar de Briskdal.
Iniciando el recorrido al Glaciar de Briskdal.
14.- Las Migmatitas sobre Kleivafossen.
The Migmatites on Kleivafossen. These rocks were formed about 1,000 Ma ago, during the so-called Swedish-Norwegian Orogeny. Actually, they were Gneis that formed a magmatic chamber at about 900 degrees. The heat melted them, then they cooled down and took on this aspect. Its presence reveals phenomena of high temperatures in the depths of the area.
20.- En el abanico aluvial de Iri ( Lago Oldevatnet).
En el abanico aluvial de Iri ( Lago Oldevatnet).
24.- Lago Hornindalsvatnet.
Lake Hornindalsvatnet on Highway C60. It is the gateway to a new type of rocks: the Micachistos. They are the result of the lifting of the sea floor (Iapetus Ocean) when frontally colliding Groelandia (Laurentia) and Norway (Baltic), during the Caledonian Orogeny (about 430 Ma).
25,.- Ascendiendo por el Valle del Río Horndola (Hornindal).
In the Horndola River Valley, a new type of rocks appear on our trip: the Micachists (Cámbrico-Silúricos). They are important in geology since they represent ancient deposited underwater clays, 500-430 Ma ago, on the ocean floor of Iapetus. This small sea was closing by approach of Greenland (Laurentia) and Norway (Baltica). When compressed by these two continents, they were transformed into Micachists (Metamorphism). They represent the junction area of two continents that collided about 430M.a. After this Caledonian Orogeny, much later, this fracture is again separating Europe and America by the Alpine Orogeny.
28.- Puerto de Hellesylt.
Fiordo de Sunnylvsfjorden desde el Puerto de Hellesylt.
31.- Cara este de Monte Nokkenigga (Fiordo de los Sueños).
Cara este de Monte Nokkenigga (Fiordo de los Sueños).
32.- Frente a la isleta (cono aluvial ) de Syltavika.
Frente a la isleta (cono aluvial ) de Syltavika.
34.- En el Fiordo Geiranger frente al Vinsashornet (1.344m).
En el Fiordo Geiranger frente al Vinsashornet (1.344m).
38.- Las Cuarzomonzonitas del Lago Oppstrynsvatnet.
Cercanias de Hjelle y Lago Oppstrynsvatnet.
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