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Michael de Freitas W W W W F W WMWM WMWM WMWM WMWM WMWM Lineaments & axes of Woolridge (1923 & 1926) (1) Woolridge & Linton.

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Presentation on theme: "Michael de Freitas W W W W F W WMWM WMWM WMWM WMWM WMWM Lineaments & axes of Woolridge (1923 & 1926) (1) Woolridge & Linton."— Presentation transcript:

1 Michael de Freitas

2 W W W W F W WMWM WMWM WMWM WMWM WMWM Lineaments & axes of Woolridge (1923 & 1926) (1) Woolridge & Linton (1939 & 1955) (2) (1)The minor structures of the London Basin Proc. Geol. Assoc.,34,: The structural evolution of the London Basin Proc. Geol. Assoc.,37,: (2) Structure, surface & drainage in S. E. England, George Phillip. 2Michael de Freitas

3 From A to Z Map 35 miles around London – 1: Based on O. S. Maps Overlay of Woolridge Lineaments on A to Z map 3Michael de Freitas

4 REGIONAL GUIDE Michael de Freitas

5 REGIONAL GUIDE Michael de Freitas

6 6

7 From Barton The lost rivers of London 7Michael de Freitas

8 Map 6 – A map showing the tributaries of the Thames from Kingston to Erith 8Michael de Freitas

9 Map 6 – A map shoing the tributaries of the Thames from Kingston to Erith 9Michael de Freitas

10 Key Major syncline ads for the basin Minor syncline Anticline Axial trace uncertain Dome Fault Key Major synclinal axis for the basin Minor syncline axis Anticline Axial trace uncertain Dome Fault km Relationships of the “domes” of Water Resources Board interpretation of Chalk surface beneath the Eocene and lineaments of Thompson, 1997 Map of Chalk beneath Eocene Water Resources Board, Michael de Freitas

11 Kilometres London Basin Current Chalk Groundwater levels January 1996 (metres OD) Michael de Freitas

12 From A to Z Map 35 miles around London – 1: Based on O. S. Maps Overlay of Thompson’s Lineaments on A to Z mapOverlay of Berry & Wakeling QJEG Data on A to Z Greasy backs ward etal. Geotech. 9 12Michael de Freitas

13 13Michael de Freitas

14 14Michael de Freitas

15 NORTH ALPINE Woolridge & Linton monocline axes Woolridge fold axes Woolridge fold axes Ameen faults 15Michael de Freitas

16 Pull-apart basins with “ups” and “downs” Michael de Freitas

17 MonteBello4.jpg - Undulating hills and ravines along Upper Stevens Creek Valley are a result of pressure ridges, pull-apart (sag) basins, and shutter ridges along the San Andreas Fault. USGS 17 Michael de Freitas

18 Tim Newman Michael de Freitas

19 Geotechnical Parameter Depth Such a spread may have a number of causes other than lithology, moisture content and sampling Effects of Compartments 19Michael de Freitas

20 Ballantyne. C. K., Harris. C., The Periglaciation of Great Britain ISBN Devoy. R. J. N., 1995, Deglaciation, Earth crustal behaviour and sea level changes etc. in Preece. R. C. (ed.) Island Britain: a Quaternary perspective. Geol. Soc. Spec. Labs. 96: ISBN Fig. 10. Relationships of ice loading and expected forebulge development (after Dawson 1992) 20Michael de Freitas

21 Maurits Cornelis Escher ( ) 21Michael de Freitas

22 22Michael de Freitas

23 23Michael de Freitas

24 DATA

25 FOR FURTHER INFORMATION CONTACT 25Michael de Freitas


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