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Saturday, July 25, 2020 | History

2 edition of Early Mesozoic extension and Alpine shortening in the western southern Alps found in the catalog.

Early Mesozoic extension and Alpine shortening in the western southern Alps

Giovanni Bertotti

Early Mesozoic extension and Alpine shortening in the western southern Alps

the geology of the area between Lugano and Menaggio (Lombardy, northern Italy)

by Giovanni Bertotti

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  • 39 Currently reading

Published by Società Cooperativa Tipografica in Padova .
Written in

    Subjects:
  • Faults (Geology) -- Italy -- Lombardy.,
  • Subsidences (Earth movements) -- Italy -- Lombardy.,
  • Geology, Stratigraphic -- Mesozoic.

  • Edition Notes

    Includes bibliographical references (p. 96-103).

    Other titlesGeology of the area between Lugano and Menaggio (Lombardy, northern Italy).
    StatementGiovanni Bertotti.
    SeriesMitteilungen aus dem Geologischen Institut der Eidgenössischen Technischen Hochschule und der Universität Zürich -- n.F. 282., Memorie di scienze geologiche -- v. 43.
    Classifications
    LC ClassificationsQE606.5.I8 B47 1991
    The Physical Object
    Pagination[17]-103 p., [11] leaves of plates (1 folded) :
    Number of Pages103
    ID Numbers
    Open LibraryOL21430951M

    Alps - Alps - Human impact on the Alpine environment: The early travelers to the Alps were greatly inspired by the pristine beauty of what they saw, and from their inspiration sprang the modern popularity of the Alpine region. With popularity, however, came growth; and the impact of so many people caused a steady degradation of the Alpine environment beginning in the midth century. sector of the Alpine belt affected by the Cretaceous orogenic event. In this view, the Late Cretaceous Southern Alps can be interpreted as the south-verging retrobelt of a pre-collisional orogenic wedge, which formed during the subduction of the Alpine Tethys beneath the attenuated northern Adria margin. Paolo D’Adda -

    The Po Valley (Northern Italy) is a composite foreland - –foredeep basin caught in between the Southern Alps and Northern Apennine mountain belts. By integrating the 3D structural model of the region with the public earthquake dataset, the seismo-tectonics of the basin is shown at different scales of observation. The European Alps (Alps) and Southern Alps of New Zealand (Southern Alps) are both high mountain ranges formed by the collision of tectonic plates. The Alps resulted from collision of the African and European Plates, which produced complex lithological and structural patterns associated with the development of a series of overthrusted nappes. In contrast, the plate margin deformation that.

    Eastern Alps is the name given to the eastern half of the Alps, usually defined as the area east of a line from Lake Constance and the Alpine Rhine valley up to the Splügen Pass at the Alpine divide and down the Liro River to Lake Como in the south. The peaks and mountain passes are lower than the Western Alps, while the range itself is broader and less arched. inherited Paleozoic crustal setting and the change from early Mesozoic extension to Cretaceous shortening, which caused a SE dipping of the MOHO. Boriani and Giobbi () argued, however, that the basement of the western Southern Alps is not a tilted section. Their main arguments are: in the Early Permian, the IVZ to the SCZ were already.


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Early Mesozoic extension and Alpine shortening in the western southern Alps by Giovanni Bertotti Download PDF EPUB FB2

Early Mesozoic extension and Alpine shortening in the western Southern Alps: The geology of the area between Lugano and Menaggio (Lombardy, northern Italy).

Mem. by:   Bertotti, G.,Early Mesozoic extension and Alpine shortening in the western Southern Alps: the geology of the area between Lugano and Menaggio (Lombardy, Northern Italy), Mem.

Sci. Geol. (Padova) 17– Google ScholarCited by: The high standard of knowledge attained over the last 30 years by the working groups on "Alpine Metamorphism" is well known and helped considerably to recognize pre-Mesozoic elements in the Alps.

In Part I of this book the subdivision of the major Alpine units and pre-Mesozoic pal­ inspastic reconstructions are covered before discussion of the.

Bertotti, G.,Early Mesozoic extension and Alpine shortening in the western Southern Alps: the geology of the area between Lugano and Menaggio (Lom bardy, Northern Italy), Mem.

Sci. Mesozoic passive continental margin of Adria was involved in Alpine shortening and is now exposed in the Lake Como-Lake Lugano area (southern Alps, northern Italy and southern Swit- zerland). The segment comprises the Monte Generoso basin, a deep ( km) extensional basin controlled by the activity of the Lugano-Val Grande normal fault.

Early Mesozoic extension and Alpine shortening in the western Southern Alps: the geology of the area between Lugano and Menaggio (Lombardy, Northern Italy). Memorie di Scienze Geologiche (Padova),19, – The duplication of these rim basin/rift shoulder elements on a western Alpine cross-section is a fundamental feature of the western Alps.

In the more internal part of the middle Penninic units are found the Mont-Fort nappe (located in the Valais) and Brèche nappe (located in the Préalpes), representing the former syn-rift part of the European.

Bertotti G. Early Mesozoic Extension and Alpine Shortening in the Western Southern Alps: the Geology of the Area between Lugano and Menaggio (Lombardy, northern Italy) Memorie di Scienze Geologiche (Padova) Google Scholar. Bertotti G () Early Mesozoic extension and Alpine shortening in the western Southern Alps: the geology of the area between Lugano and Menaggio (Lombardy, northern Italy).

Mem Sci Geol Padova 17– Google Scholar. BERTOTTI G. Early Mesozoic extension and Alpine shortening in the western Southern Alps: The geology of the area between Lugano and Menaggio (Lombardy, Northern Italy).

Mem. Geol. (Padova), v, pp   The migmatitic xenolith provides the first documented evidence for a Permian thermal event associated with crustal thinning in the Eastern Southern Alps.

Here the South Alpine basement escaped most of the Alpine crustal shortening and still preserves most of the original Permian extension under thick Mesozoic cover.

The Jura region of France and Switzerland has significant hydrocarbon potential. This arcuate fold-and-thrust belt, located in front of the Western Alps, is composed of Mesozoic rocks, which.

In the German and Austrian literature, the Central Alps are treated as part of the Western Alps. Then, the boundary between Western and Eastern Alps runs from Bodensee to Lago di Como.

Also, the Eastern Alps are often divided into three E-W stripes: Northern Calcareous Alps, Central Alps, and Southern Calcareous Alps. About Cookies, including instructions on how to turn off cookies if you wish to do so. By continuing to browse this site you agree to us using cookies as described in.

The rotation of the IVZ was possibly due to the combination of the inherited Paleozoic crustal setting and the change from early Mesozoic extension to Cretaceous shortening, which caused a SE dipping of the MOHO.

Boriani and Giobbi () argued, however, that the basement of the western Southern Alps is not a tilted section.

Their main. The extension direction, ~° in present‐day coordinates, is restored to N‐S when the post‐Early‐Permian bulk rotation of the Southern Alps is taken into account. Therefore, the situation in the study area does not support pull‐apart tectonics related to the WSW‐ENE Pangea B to A megashear.

In the Southern Alps the synsedimentary extensional tectonics of the Norian–Liassic continental rifting up to the emplacement of the initial oceanic crust has been recognized in the whole Southern Alpine area (Bosellini,Laubscher and Bernoulli,Bernoulli et al.,Winterer and Bosellini,Bertotti et al., ).

Thermobarometric estimates of early (D 1) and late (D 2) metamorphic recrystallisation of Alpine Schist, Southern Alps of New Zealand, define three polychronous piezothermic arrays: (1) – kbar and –°C for chlorite and biotite‐albite zone metagreywacke‐semischist; (2) – kbar and –°C for garnet and oligoclase zone schist, and (3) – kbar and –   The migmatitic xenolith provides the first documented evidence for a Permian thermal event associated with crustal thinning in the Eastern Southern Alps.

Here the Southalpine basement escaped most of the Alpine crustal shortening and still preserves most of the original Permian extension under thick Mesozoic covers. point of view, Mesozoic extension in central Tibet has played a key role in localizing Cenozoic crustal shortening and magmatism during the Indo-Asian collision [Yin and Harrison, ].

[4] In this paper, we report the discovery of major Mesozoic extensional fault systems in the eastern Altyn Tagh range along the northern margin of the Tibetan. Bertotti G., Early Mesozoic extension and Alpine shortening in the western Southern Alps: the geology of the area between Lugano and Menaggio (Lombardy, Northern Italy).

Mem. Sci. Geol., Padova, 43, Field school “Alps” (26/08/ – 05/09/) CONTENTS: Introduction Present state of the Eastern Alps Development toward the status quo Outlook References I. INTRODUCTION Depending on which author is consulted the Alps are subdivided into Eastern, Western, Central and Southern Alps.The Alps form part of a Cenozoic orogenic belt of mountain chains, called the Alpide belt, that stretches through southern Europe and Asia from the Atlantic all the way to the belt of mountain chains was formed during the Alpine orogeny.A gap in these mountain chains in central Europe separates the Alps from the Carpathians to the east.

Orogeny took place continuously and.