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63. The Geology of East Midlands (2003)

compiled by Albert Horton & Peter Gutteridge

A major guide to the exposures of highly significant Precambrian, Carboniferous and Permo-Triassic through to Jurassic rocks of the East Midlands. Eleven itineraries (or excursions) of variable length detail the geology of each location, such as the rock types, the palaeoenvironmental interpretation and fossil content, the structure, geomorphology and mineralisation. The areas covered extend from Charnwood Forest (Precambrian) to Wirksworth, Ashover, Ecclesbourne, Alport and Holymoorside in Derbyshire (Carboniferous) to Nottingham, Vale of Belvoir and South Lincolnshire, Leicestershire and Northamptonshire (Permian-Jurassic), many illustrated with colour photographs and diagrams.

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A major guide to the exposures of highly significant Precambrian, Carboniferous and Permo-Triassic through to Jurassic rocks of the East Midlands. Eleven itineraries (or excursions) of variable length detail the geology of each location, such as the rock types, the palaeoenvironmental interpretation and fossil content, the structure, geomorphology and mineralisation. The areas covered extend from Charnwood Forest (Precambrian) to Wirksworth, Ashover, Ecclesbourne, Alport and Holymoorside in Derbyshire (Carboniferous) to Nottingham, Vale of Belvoir and South Lincolnshire, Leicestershire and Northamptonshire (Permian-Jurassic), many illustrated with colour photographs and diagrams.

PART 1: The Precambrian of East Midlands

Itinerary 1 The Late Precambrian rocks of Bradgate Park, Charnwood Forest, Leicestershire - 
Trevor D Ford
The itinerary is planned to give an overview of the complex series of outcrops of the late Precambrian rocks of Charnwood Forest, together with associated extrusive and intrusive rocks.
Start point car park at Hunt’s Hill in Bradgate Country Park SK 523 117

Itinerary 2 The Late Precambrian Rocks of North Charnwood 
- Trevor D Ford
This itinerary examines those parts of the Charnian sequence that are not covered by the Bradgate Park itinerary; it should be taken by road transport and covers about 10 km.
Start point car park in Swithland Woods SK 538 130

Itinerary 3 Precambrian Geology and Scenery of North West Charnwood - J N Carney
To examine Precambrian rocks of the Charnian Supergroup, including Bradgate Tuff Formation and Charnwood Lodge Formation, which are divisions of the Maplewell Group. The variety of volcaniclastic rock types exposed include spectacular breccias whose content of large rock fragments indicates accumulation close to the original volcanic centres.
Start point Calvary Rock SK 4331 1732

PART 2: The Carboniferous of East Midlands

Itinerary 4 The Carboniferous Limestone around Whitworth
 - Trevor D Ford
The Whitworth area provides an opportunity to study the varied sedimentology and facies changes in the Carboniferous Limestone (Asbian and Brigantian). The unconformable cover of Millstone Grit (Namurian) strata, the effects of faulting, mineral veins and mining relics combine to make a highly instructive itinerary.
Start point Black Rocks car park (top level) SK 291 557

Itinerary 5 Carboniferous Rocks and Mineralization of the Ashover Anticline 
- Ian D Sutton
This itinerary will enable participants to gain an understanding of the Dinantian Limestone and volcaniclastic sedimentary sequence in the core of the Ashover Anticline. It will also give the opportunity of studying the Namurian, wholly argillaceous Edale Shales and succeeding sandstone sequence overlying the Dianantian sequence. Additionally the relationship between the topography and underlying geology should become apparent in the area that is an excellent venue to attempt geological mapping exercises. Mineralization and historical mining aspects can also be recognised.
Start point Large car park available at Ashover village Parish Hall SK 348 632

Itinerary 6 The Edale Shales and Ashover Grit of the Ecclesbourne Valley and Allport Hill 
- Neil Aitkenhead & Ian Chisholm
The purpose of this itinerary is firstly to examine selected rocks in the Edale shales, some characteristic and some unusual; and secondly, to study the contrasting fluvial and delta slope sandstones of the Ashover Grit.
Start point 130 m from the bridge on the B5023 as it crosses the river SK 3131 4567

Itinerary 7 The Upper Carboniferous Sequence near Holymoorside, South West of Chesterfield
 - John Marriott
This itinerary examines the geology of the Carboniferous Lower Coal Measures. In particular it will focus on how different lithologies of deltaic cyclothems have shaped the landscape and given rise to the traditional industries of the area.
Start point Holymoorside SK 338 694 (cars may be parked in the Village Hall car park)

PART 3: The Permian to Middle Jurassic Geological History of the East Midlands

Itinerary 8 The Permo-Trias of North Nottinghamshire 
- R. Toynton
This itinerary examines the Permo-Triassic rocks in north Nottinghamshire and demonstrates the nature of the stratigraphic succession. Variations within this succession between the North and South of the area can be shown, as can the way in which evidence given by the rocks, in the absence of fossils, can be used to interpret the palaeoenvironmental conditions.
Start point Visitors Centre, Cresswell Craggs SK 539 744

Itinerary 9 The Permo-Triassic Rocks of Nottingham 
- Andy Howard
This itinerary demonstrates the various Permian and Triassic sedimentary rocks exposed in the Nottingham area and describes their stratigraphy and environments of deposition. Localities are widely separated and best treated as individual mini-excursions allowing 1-2 hours for each site.
Start point Locality 1 Bulwell Quarry SK 5530 4542

Itinerary 10 Liassic of the Vale of Belvoir 
- Alan Brandon
This itinerary examines the stratigraphy and geomorphology of the Lower Jurassic strata in the Vale of Belvoir. Firstly, it provides a down-dip transect through the stratigraphy of the Scunthrope and Brant Mudstone Formations of the Lower Jurassic Lias Group. Secondly, the walk provides an opportunity to relate the Lias stratigraphy to the geomorphology of the Vale (walk of approx. 8 km).
Start point Rhaetic escarpment at Sutton SK 7593 3725

Itinerary 11 Middle Jurassic of South Lincolnshire, Leicestershire and Northamptonshire - 
Alan Dawn
To examine sequences in the Middle Jurassic, which provide an opportunity to compare sediments deposited in marine and non-marine environments. This itinerary is split into 2 and covers a total of 11 sites of interest.
Start point 11a Greetham Quarry SK 931 145
Start point 11b Duddington Quarry SK 997 013

Map of Itineraries