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Encyclopedia > Jura mountains
Looking towards Lelex from near to Crêt de la Neige
Looking towards Lelex from near to Crêt de la Neige

The Jura folds are located north of the main Alpine orogenic front and are being continually deformed, accommodating the northwards compression from Alpine folding. The deformation becomes less pervasive away from the Alpine mountains. Image File history File linksMetadata Download high resolution version (1600x1200, 981 KB) Â©  NOTE: The following conditions may not include terms which restrict usage to educational or not-for-profit purposes. ... Image File history File linksMetadata Download high resolution version (1600x1200, 981 KB) Â©  NOTE: The following conditions may not include terms which restrict usage to educational or not-for-profit purposes. ... In Greek mythology, Lelex was a King of Laconia (then named Lelegia). ... Crêt de la Neige is the highest peak in the Jura mountains and the department of Ain (number 01) in France. ... The West face of the Petit Dru above the Chamonix valley near the Mer de Glace. ... Orogeny (Greek for mountain generating) is the process of mountain building, and may be studied as a tectonic structural event, as a geographical event and a chronological event, in that orogenic events cause distinctive structural phenomena and related tectonic activity, affect certain regions of rocks and crust and happen within...


The folds comprise three major lithological units: the Malm, Dogger, and Lias (giving rise to the name for the Jurassic Geologic period). They represent a shallow marine carbonate sequence, containing abundant bioclasts and oolitic horizons. Petrology is a field of geology which focuses on the study of rocks and the conditions by which they form. ... Upper Jurassic (also known as Malm) was an epoch of the Jurassic geologic period. ... The Middle Jurassic, called the Dogger in the European system of classification, is the second epoch of the Jurassic period. ... Massive cliffs in Zion Canyon consist of Lower Jurassic formations, including (from bottom to top): the Wingate Sandstone, the Kayenta Formation, and the massive Navajo Sandstone. ... // The image above is believed to be a replaceable fair use image. ... In geology, a period or age is a time span of many millions of years that are assumed to have had similar characteristics. ... Doubly refracting Calcite from Iceberg claim, Dixon, New Mexico. ... An oolite is a sedimentary rock formed from ooids, spherical grains composed of concentric layers. ...


Structurally, the Jura consists of a sequence of "Owen" folds, the formation of which is facilitated by an evaporitic decollement layer. The box folds are still relatively young, and this is evident in that they define the shape of the overlying landscape, meaning that they have not existed long enough to experience erosion. Evaporites are water-soluble, mineral sediments that result from the evaporation of saline water. ... A décollement horizon is a tectonic surface that acts as a gliding plane between two masses in a thrust fault relationship. ... This article does not cite its references or sources. ... Severe soil erosion in a wheat field near Washington State University, USA. For erosion as understood by materials science, see Erosion (materials science) For erosion as an English analogy, see Erosion (figurative) Erosion is the displacement of solids (soil, mud, rock and other particles) by the agents of wind, water...


The highest peak in the Jura range is Crêt de la Neige at 1,717.6 metres. Crêt de la Neige is the highest peak in the Jura mountains and the department of Ain (number 01) in France. ...


Seven men died climbing these mountains in 1940.


They separate the Rhine and Rhone rivers.


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Jura mountains

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Jura mountains - Wikipedia, the free encyclopedia (195 words)
The Jura folds are located north of the main Alpine orogenic front and are being continually deformed, accommodating the northwards compression due to Alpine folding.
The Jura (the rock after which the mountains are named) comprises of three major lithological units: the Malm, Dogger and Lias (giving rise to the name for the Jurassic Geologic period); which represent a shallow marine carbonate sequence, containing abundant bioclasts and oolitic horizons.
Structurally, the Jura consists of a sequence of 'box' folds, the formation of which is facilitated by an evaporitic decollement layer.
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