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Bücher
Kategorie:
Geographie, Reiseführer
Jahr:
1864
¬The¬ Dolomite Mountains : excursions through Tyrol, Carinthia, Carniola, & Friuli in 1861, 1862, & 1863 ; with a geological chapter and pictorial illustrations from original drawings on the spot
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Seite 547 von 600
Autor: Gilbert, Josiah ; Churchill, George C. / by Josiah Gilbert, and G. C. Churchill
Ort: London
Verlag: Longman, Green, Longman, Roberts, & Green
Umfang: XX, 576 S. : Ill., Kt.
Sprache: Englisch
Schlagwort: g.Dolomiten ; f.Reisebericht 1861-1863
Signatur: II A-4.101
Intern-ID: 134614
to eaek otker, The one nearer to thè Cima d’Asta Starts from a point south-east of Paneveggio in the Travignolo Thal, and curves round to Tergine and Levico in thè Val Sagana. In it the loftiest mountain is thè Cima Lagorei (8,567) feet. North of this xidge is a parallel line of depressimi fovmed bv the Travignolo Thal from Pane- veggio to Predazzo, and the lower half of the valley of thè Àvisio from Predazzo downwards. Beyond this again is the second porphyry ridge, which, beginning witli

Monti Àloch, Bocche, and Lusia, that bound the Travig nolo Thal on its northern side, and interrupted by the subsequently formed eruptive and Dolomite mountains of Predazzo, reappears westward in the Zangenberg, Schwarz horn and Pass del (raso, and thence becomes the northern boundary of the valley of the lower Avisio to its outlet at Lavis. Thus we see that the great porphyry plateau, the beginning of all geologie history for thè western Dolo mites, has been considerably affected in its relief

2
Bücher
Kategorie:
Geographie, Reiseführer
Jahr:
1864
¬The¬ Dolomite Mountains : excursions through Tyrol, Carinthia, Carniola, & Friuli in 1861, 1862, & 1863 ; with a geological chapter and pictorial illustrations from original drawings on the spot
/tessmannDigital/presentation/media/image/Page/134614/134614_577_object_5195179.png
Seite 577 von 600
Autor: Gilbert, Josiah ; Churchill, George C. / by Josiah Gilbert, and G. C. Churchill
Ort: London
Verlag: Longman, Green, Longman, Roberts, & Green
Umfang: XX, 576 S. : Ill., Kt.
Sprache: Englisch
Schlagwort: g.Dolomiten ; f.Reisebericht 1861-1863
Signatur: II A-4.101
Intern-ID: 134614
spreads far and wide, over their npper limits of outflow, into all the three crescentic spaces formed by tlie ctirves of the beds of the lower Trias. Fully one-half of Monte Mulatto, to the north-east of Predazzo, consista of it. Final] y, penetrat-ing the Syenite, and then the Melaphyr, are veins of two other kinds of rock, called Porphyr ite and Syenite Porphyry, the latter—not known to occur in any other locality—remarkable, as possessing very large crystals of orthoclase. A section of the

porphyry—made its appear- ance throughout the entire eruptive epoch ; in the former , thè kind of rock varied with each outhreak. In thè sub marine volcano, tuff, or volcanic ash, is the most prominent product ; in thè sub-serial one at Predazzo, tuff is entirely absent. The relation between thè two is compared by Bichthofen to that existing between the central crater and O' the lateral outbreaks of lava of a volcano of the present day. Their activity was not entirely eontemporaneous— that of the

northern crater having nearly come to an end before the commencement of the deposition of the c Sehlem Dolomite,’ while the principal activity of the Predazzo crater came into play only after that epoch. The various points of contact between the different forms of more or less mölten rock, and the beds of lower and upper Trias lying outside of them, and dipping more

3
Bücher
Kategorie:
Geographie, Reiseführer
Jahr:
1864
¬The¬ Dolomite Mountains : excursions through Tyrol, Carinthia, Carniola, & Friuli in 1861, 1862, & 1863 ; with a geological chapter and pictorial illustrations from original drawings on the spot
/tessmannDigital/presentation/media/image/Page/134614/134614_489_object_5195091.png
Seite 489 von 600
Autor: Gilbert, Josiah ; Churchill, George C. / by Josiah Gilbert, and G. C. Churchill
Ort: London
Verlag: Longman, Green, Longman, Roberts, & Green
Umfang: XX, 576 S. : Ill., Kt.
Sprache: Englisch
Schlagwort: g.Dolomiten ; f.Reisebericht 1861-1863
Signatur: II A-4.101
Intern-ID: 134614
pursuing thè coping-stones of a wall, sometimes scrambling over rocks and bushes—and so it carne to pass, we scarcely know how, that at last we reached Predazzo, and the com- fprtable inn of Jacomelie, and thè unaceustomed soimd of wheels, and the stränge sight of an omnibus in cor- Tespondence with thè é Strada Ferrata,’ at Trento. A few days after, at Botzen, we learnt, that storni and inundation kad been general tbrough tbe Alps—that thè river Inn had risen twelve feet at Innsbruck, and much

damage had been done. We congratulated onrselves at having escaped so tolerably from the Primiero mountains, hut had no wish to eneo unter their watery perii s again. Predazzo is a great centre of attraction to all German mineralogista. It is to them, what the head of the Gader Thal is to palasontologisfcs, and the Seisser ÀIp, with its rim of Dolomites, to geologists. As we descended the last reaches of road, every wall showed varieties of melaphyr, porphyry, syenite, and granite. Dolomite and

up steeply on all sides, and prevent any distant view, except in the direction of the valley we had just descended. Outside the circle occupied by these rocks we find Dolomite mountains again, standing in isolated masses at three separate points, on a basis of lower trias beds. The late hour at which we reached Predazzo, and our n h

4
Bücher
Kategorie:
Geographie, Reiseführer
Jahr:
1864
¬The¬ Dolomite Mountains : excursions through Tyrol, Carinthia, Carniola, & Friuli in 1861, 1862, & 1863 ; with a geological chapter and pictorial illustrations from original drawings on the spot
/tessmannDigital/presentation/media/image/Page/134614/134614_576_object_5195178.png
Seite 576 von 600
Autor: Gilbert, Josiah ; Churchill, George C. / by Josiah Gilbert, and G. C. Churchill
Ort: London
Verlag: Longman, Green, Longman, Roberts, & Green
Umfang: XX, 576 S. : Ill., Kt.
Sprache: Englisch
Schlagwort: g.Dolomiten ; f.Reisebericht 1861-1863
Signatur: II A-4.101
Intern-ID: 134614
down into thè upper Grröden, near Plan. Large dykes of it are also exposed to light on thè line of ridge between the Platt Kogel and Eosszähn Berg, and on the descent into the Duron Thal. Their rugged olive-black-—often semi-columnar —masses stand out in as striking a contrast to thè surrounding green slopes in one direction, as that which the c ghostly pale 5 Dolomites, near at band, offer in another. Fartber to the sonth—at Predazzo —a ikird centre of eruption was formed. TMs crater, like

now hem Predazzo in on all sides. The town, with its surrounding fertile alluvial level, Stands in that opening. The oldest igneous rock is a peculiar kind of Syenite, which has penetrated through the deep-seated and older red porphyry, and overspread the inner borderà of the surrounding lower Trias beds. Àt a later date followed Tourm aline granite, breaking through the Syenite on the east side of the crater, immediately behind Predazzo, and overlying it. In tbis rock, tourmaline takes thè place

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