Home
Volume 30: British Lower Jurassic Stratigraphy — Chapter 01
 

Click on a chapter to see its illustrations.
Chap 01
19 figures
2 tables
Chap 02
32 figures
1 table
Chap 03
23 figures
0 tables
Chap 04
22 figures
0 tables
Chap 05
16 figures
0 tables
Chap 06
25 figures
0 tables
Chap 07
1 figure
0 tables
Chap 08
21 figures
0 tables

Figure 1.1
Chronostratigraphy and radiometric dates for the Lower Jurassic Series and its constituent stages. Based on Harland et al. (1990) and Pálfy et al. (2000c).

GCRv30c01f001
Thumbnail (15kb)
LoResJPEG (76kb)
HiResJPEG (405kb)
JPEG (287kb)
CorelDraw v12 (23kb)

Figure 1.2
Outcrop and subcrop map for the Lias Group in England and Wales showing the location of the main sedimentary basins. After Cox et al. (1999).

GCRv30c01f002
Thumbnail (22kb)
LoResJPEG (275kb)
HiResJPEG (1,870kb)
JPEG (1,292kb)
CorelDraw v12 (72kb)

Figure 1.3
Sequence of zones, subzones and biohorizons for the Hettangian Stage, with the stratigraphical ranges of ammonite genera indicated (solid line – proven; dashed line – inferred ghost range). After Page (2002) and unpublished observations.

GCRv30c01f003
Thumbnail (23kb)
LoResJPEG (189kb)
HiResJPEG (1,010kb)
JPEG (722kb)
CorelDraw v12 (27kb)

Figure 1.4
Sequence of zones, subzones and biohorizons for the lower part of the Sinemurian Stage, with the stratigraphical ranges of ammonite genera indicated (solid line – proven; dashed line – inferred ghost range). After Page (2002) and unpublished observations.

GCRv30c01f004
Thumbnail (21kb)
LoResJPEG (314kb)
HiResJPEG (1,508kb)
JPEG (1,110kb)
CorelDraw v12 (38kb)

Figure 1.5
Sequence of zones, subzones and biohorizons for the upper part of the Sinemurian Stage, with the stratigraphical ranges of ammonite genera indicated (solid line – proven; dashed line – inferred ghost range). After Page (2002) and unpublished observations.

GCRv30c01f005
Thumbnail (21kb)
LoResJPEG (326kb)
HiResJPEG (1,620kb)
JPEG (1,167kb)
CorelDraw v12 (40kb)

Figure 1.6
Sequence of zones, subzones and zonules for the Pliensbachian Stage, with the stratigraphical ranges of ammonite genera indicated (solid line – proven; dashed line – inferred ghost range). After Page (2002) and unpublished observations.

GCRv30c01f006
Thumbnail (21kb)
LoResJPEG (315kb)
HiResJPEG (1,777kb)
JPEG (1,314kb)
CorelDraw v12 (43kb)

Figure 1.7
Sequence of zones, subzones, biohorizons and zonules for the lower part of the Toarcian Stage, with the stratigraphical ranges of ammonite genera indicated (solid line – proven; dashed line – inferred ghost range). After Page (2002) and unpublished observations.

GCRv30c01f007
Thumbnail (19kb)
LoResJPEG (201kb)
HiResJPEG (1,307kb)
JPEG (955kb)
CorelDraw v12 (38kb)

Figure 1.8
Sequence of zones, subzones and zonules for the upper part of the Toarcian Stage, with the stratigraphical ranges of ammonite genera indicated (solid line – proven; dashed line – inferred ghost range). After Page (2002) and unpublished observations.

GCRv30c01f008
Thumbnail (18kb)
LoResJPEG (209kb)
HiResJPEG (1,268kb)
JPEG (944kb)
CorelDraw v12 (38kb)

Figure 1.9
Generalized palaeogeographical reconstruction for the North Atlantic region during the Early Jurassic Epoch (light shading – sea; dark shading – land). After Scotese (2002).

GCRv30c01f009
Thumbnail (25kb)
LoResJPEG (64kb)
HiResJPEG (264kb)
JPEG (171kb)
CorelDraw v12 (25kb)

Figure 1.10
Palaeogeographical reconstruction for the British area during the Hettangian Stage of the Lower Jurassic Series (light shading – sea; dark shading – land). After Bradshaw et al. (1992).

GCRv30c01f010
Thumbnail (20kb)
LoResJPEG (151kb)
HiResJPEG (1,010kb)
JPEG (701kb)
CorelDraw v12 (41kb)

Figure 1.11
Lithostratigraphical nomenclature for the Lias Group in Britain showing the dominant lithologies of each formation. Thick lines indicate the formational boundaries. Based on Cox et al. (1999) and Morton (this volume).

GCRv30c01f011
Thumbnail (26kb)
LoResJPEG (396kb)
HiResJPEG (2,680kb)
JPEG (1,826kb)
CorelDraw v12 (45kb)

Figure 1.12
Proposed belemnite biozonation schemes for the Lower Jurassic Series of north-west Europe. Based on Doyle (1990–1992), Doyle and Bennett (1995) and Combémorel (1997).

GCRv30c01f012
Thumbnail (21kb)
LoResJPEG (195kb)
HiResJPEG (1,199kb)
JPEG (856kb)
CorelDraw v12 (31kb)

Figure 1.13
The Gryphaea evolutionary lineage, showing pronounced paedomorphosis and size increase. All specimens are from the Severn Basin. From left to right: Gryphaea arcuata, Bucklandi Subzone, Hock Cliff GCR site; G. mccullochi, Oxynotum Subzone, Bishops Cleeve; G. gigantea, Spinatum Zone, Bredon Hill. G. gigantea is 11.5 cm across.

GCRv30c01f013
Thumbnail (21kb)
LoResJPEG (153kb)
HiResJPEG (902kb)
TIFF (961kb)

Figure 1.14
Range chart for 27 common species of Rhaetian to Pliensbachian bivalve. From data compiled by Peter Hodges. See text for details.

GCRv30c01f014
Thumbnail (20kb)
LoResJPEG (222kb)
HiResJPEG (1,392kb)
JPEG (994kb)
CorelDraw v12 (31kb)

Figure 1.15
Range chart for Lower Jurassic scaphopods. Data from Richardson (1906a); with taxonomy revised by Engeser and Riedel (1992).

GCRv30c01f015
Thumbnail (23kb)
LoResJPEG (179kb)
HiResJPEG (906kb)
JPEG (658kb)
CorelDraw v12 (29kb)

Figure 1.16
Stratigraphical distribution of rhynchonellid brachiopods in the Lower Jurassic Series of Britain. Data mainly from Ager (1956–1967).

GCRv30c01f016
Thumbnail (21kb)
LoResJPEG (295kb)
HiResJPEG (1,835kb)
JPEG (1,287kb)
CorelDraw v12 (39kb)

Table 1.1
Brachiopod biozonal scheme for the Lower Jurassic Series of Great Britain. After Ager (1978, 1990).

GCRv30c01t001
Thumbnail (16kb)
LoResJPEG (113kb)
EPS (367kb)

Table 1.2
Terebratulid stratigraphical distribution in the Lower Jurassic Series of Great Britain. After Ager (1990).

GCRv30c01t002
Thumbnail (20kb)
LoResJPEG (95kb)
EPS (345kb)

Figure 1.17
Brachiopod zonation for the Lower Jurassic Series of France. After Alméras et al. (1997).

GCRv30c01f017
Thumbnail (21kb)
LoResJPEG (236kb)
HiResJPEG (1,492kb)
JPEG (1,069kb)
CorelDraw v12 (33kb)

Figure 1.18
Stratigraphical range chart for Lower Jurassic isocrinid crinoids. After Simms (1989).

GCRv30c01f018
Thumbnail (26kb)
LoResJPEG (232kb)
HiResJPEG (1,215kb)
JPEG (846kb)
CorelDraw v12 (30kb)

Figure 1.19
Microfaunal and microfloral biostratigraphy for the British Lower Jurassic Series. Foraminifera after Copestake (1989); ostracods after Ainsworth et al. (1998a); dinoflagellates after Riding and Thomas (1992); miospores after Koppelhus and Batten (1996); calcareous nannofossils after Bown (1987).

GCRv30c01f019
Thumbnail (20kb)
LoResJPEG (231kb)
HiResJPEG (1,526kb)
JPEG (1,066kb)
CorelDraw v12 (42kb)

XML solutions by J S Publications