Ivo Chlupác:

Geology of the Barrandian

A field Trip Guide

1993. 163 pages, 107 figures, 8 plates, 1 map, 610 g
Language: English

(Senckenberg Bücher, Nr. 69)

ISBN 978-3-510-61276-5, bound, price: 15.80 €

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Synopsis top ↑

The Barrandian area, located in the western part of Czechoslovakia (central and western Bohemia), occupies a special position among the classical European regions of geological interest: it shows Proterozoic up to Middle Devonian sequences extraordinarily well exposed, easily accessible, and from the middle Cambrian richly fossiliferous in many stratigraphic units. Geological excursions to the Barrandian have a long tradition since the middle of the 19th century when this area became world famous by excellent investigations of Palaeozoic rocks and their faunas by Joachim Barrande Numerous geological guidebooks to this area, starting with that written by the founder of the Czech geology JAN KREJCi (1853) intuitively reflect the historical development of geological sciences.
Modern guidebooks, mostly focussed on selected problems and edited in limited circulation for purposes of congresses, symposia etc. are out of print. Increasing interest of foreign geoscientists and students made thus a compilation of a new guidebook inevitable. The present guidebook is focussed on stratigraphy, facies development and palaeontology, i.e. on the main subjects in which the Barrandian plays an internationally significant role. The program consisting of six whole-day excursions starting form Prague is arranged chronologically to include the whole sequence beginning with the Proterozoic and ending in the Middle Devonian. Also the program of individual days tends to be arranged chronologically from older to younger units, although the topographic situation required some exceptions. The seventh chapter contains brief notes on some additional outcrops or sites of geological interest within the city of Prague recommended for visit particularly to those who are not able to take part in whole-day trips. Last two chapters contain some data on collections of fossils and on rocks from the Barrandian used in architecture of Prague. The six whole-day excursions are aimed at participants using a car or a coach. The program of the fourth to the sixth days may be too extensive and an appropriate selection of localities depends on interest.
It is necessary to note that all excursions of foreign participants should be accompanied by a Czech professional guidance. Its assistance is needed not only with regard to a complex topographic situation but particularly because most localities are situated in State Nature Reserves or special nature protected areas accessible only with permission of the Czechoslovak authorities (this concerns e.g. the most of the Silurian and Devonian outcrops located in the protected area of the Bohemian Karst, Cambrian outcrops at Skryje, Jince, Rokycany etc.). Within these areas, and also elsewhere, the devastation of outcrops is strongly forbidden and collection of fossils is limited to loose material (debris). Export of fossils, generally allowed for scientific (non commercial) purposes, may be organized by permission of appropriate scientific institutions (e.g. National Museum, Prague).

Visits of foreign geologists and other geoscientists, students and naturelovers, are welcome and our geological institutes, universities and other cultural institutions will assist all who wish to extend their knowledge in geosciences. Our Guidebook should contribute to these efforts too.

Table of contents top ↑

I. Geological position and characteristics of the Barrandian 5
Proterozoic 9
Cambrian 12
Ordovician 13
Silurian 16
Devonian 19
The Variscan orogeny 22
Post-Variscan development of the Barrandian 24
II. First day: Proterozoic S of Prague and Cambrian
in the Pribram-Jince area 26
1. Zabehlice near PrahaZbraslav 26
2. Homole near Jarov 27
3. Left bank of the river Vltava between Strnady and Vrane 28
4. Vltava Valley near the Vrane dam 29
5. Jezirko quarry at DobVris 30
6. Proterozoic and Lower Cambrian N of Trhove Dusniky 32
7. Lower Cambrian N of Medaluv mlyn 33
8. Jince-Vinice 34
9. Rejkovice 36
III. Second day: Proterozoic and Cambrian in the surroundings of Skryje 37
10. Proterozoic volcanites near Certova skala 37
11. Proterozoic-Middle Cambrian angular unconformity N of Tyrovice 38
12. Kamenna hurka near Tyrovice 39
13. Luh near Skryje 39
14. Roadside outcrop N of Skryje 41
15. Skryje -- monument of Joachim Barrande 42
16. Buchava near Skryje 42
17. Jezirka in the Zbirozsky potok valley 43
18. Hudlicka skala (the Hudlice Rock) 43
19. Zamecky vrch at the
old castle Tocnik 45
IV.Third day: The Ordovician in the vicinity of Rokycany and Beroun 48
20. Medovy U jezd 48
21. Klabava 50
22. Ejpovice 51
23. Zdice 53
24. Ded near Beroun 53
25. Zahorany 56
26. Beroun, foot of the hill Plesivec 56
V. Fourth day: Silurian and Devonian near Karlstejn Srbsko,
Beroun and Koneprusy 58
27. Karlstejn-Klucice . . . . 58
28. Budnany Rock at Karlstejn 59
29. Srbsko-roadside sequence 62
30. Quarry near Kolednik (Jarov) 66
31. Zlaty kun near Koneprusy 68
32. Kobyla Quarry 73
33. Cerveny lom Quarry near Suchomasty 74
34. Klonk near Suchomasty - the stratotype of the
Silurian-Devonian boundary 77
VI. Fifth day: Ordovician, Silurian and Devonian in the Radotin
Valley and near Praha-Reporyje 81
35. Radotin 81
36. Cerna rokle near Kosor 81
37. 0rthoceras Quarry near Lochkov 86
38. Radotin Valley-anticline near Cikanka 89
39. Praha-Reporyje, Mladkova Street 91
40. Muslovka Quarry 91
41. Pozary Quarries 94
VII. Sixth day: Ordovician, Silurian and Devonian in southern Prague 97
42. Velka Chuchle 97
43. Zakuv (Eurypterid) Quarry 98
44. Velka Chuchle -- foot of the hill Homolka 100
45. Barrande's Rock 103
46. U kaplicky (Chapel) Quarry and exposures below Praha-Barrandov 104
47. Hlubocepy-Daleje 107
48. Hlubocepy, Vysoka Quarry and vicinity 109
49. Hlubocepy-railway cutting 112
VIII. Some additional localities within the city and at the
periphery of Prague 114
Proterozoic 114
50. Divoka Sarka Valley 114
51. Vltava Valley N of Prague 115
52. Ladvi Hill near Praha Kobylisy 115
53. Praha-Zbraslav, right bank of the river Vltava 116
54. Modranska rokle (Modrany Gorge) 116
Ordovician 116
55. Zoological Garden in Praha-Troja 116
56. Novy hrad in the Kunratice forest 116
57. Bila skala 118
58. Motol Valley, Prahakosice 119
59. Railway cutting S of Motol 119
60. Klarov and slopes of Letna 119
61. Vysehradska skala (Vysehrad Rock) 120
62. Praha-Zbraslav, highroad cutting 121
63. Bazantnice at PrahaHloubetin 121
64. Praha-Velka Chuchle, slopes above the races-course 121
Silurian 123
65. - 70. Prokop Valley between Butovice and Hlubocepy 123
71. Vltava Valley at Mala Chuchle 125
72. Kalvarie and adjacent outcrops in the Motol Valley 125
Devonian 126
73. Praha-Podoli (outcrops
near the swimming pool) 126
74. Branicka skala (Branik Rock) 126
75. Zlichov 126
76. Divci hrady near Zlichov 127
77-85.Daleje and Prokop Valleys 127
86. Cikanka Quarry near
Praha-Slivenec 131
Cretaceous (points 87 to 91 ) 133
IX. Collections of fossils from
the Barrandian 138
X. Barrandian rocks as paving, building and decoration stones of Prague 139
XI. Conclusion 145
References and Geol. Maps 146
Plates 1-8 155