Upper Carboniferous. Millstone Grit – Yorkshire and Derbyshire
E9E10F1 F2F3F4 F5F6F7 F8F9F10 G1G2G3 G4G5H1 H2H5H6 H7H8H9 H10
Author: Elizabeth Laycock
Intro: Bearl Sandstone (E4)
Bearl Sandstone Reference E4 NAME Bearl TYPE Sandstone GEOLOGY Lower Carboniferous COUNTY Northumberland COLOUR Grey TEXTURE Medium to coarse grit BLOCK SIZE LXBXH (mm) SUITABILITY Ashlar, building, grindstones and carving USES (1) USES (2) USES (3) USES (4) Stone Names
Intro: Caithness Stone flags (E3)
Caithness Flagstone Caithness Flagstone was quarried from more than seven hundred sites in Caithness. The stone consisted originally of mud and fine sand that was deposited in layers on the floor of a lake filling a large inland basin (the Orcadian Basin) during the middle part of the Devonian Period (c. 390 million years ago),…
Intro: Totternhoe Clunch Chilmark Limestone (E1)
<stone name> Reference E1 NAME Totternhoe Clunch TYPE Limestone GEOLOGY Jurassic. Portland Group COUNTY Wiltshire COLOUR Cream with fine green flecks TEXTURE Fine grained. No shell but glauconite grains visible BLOCK SIZE LXBXH (mm) 500mm depth on bed SUITABILITY Building and monumental USES (1) Salisbury Cathedral USES (2) USES (3) USES (4) Stone Names
Intro: Beer (D10) Sandstone
Beer Sandstone Reference D10 NAME Beer TYPE Sandstone GEOLOGY Triassic COUNTY Devon COLOUR Predominantly pale yellow, cream or grey, with some orange and pink variations. TEXTURE Fine to medium-grained sandstone with some thin, shale partings. BLOCK SIZE LXBXH (mm) SUITABILITY Walling,cladding,paving USES (1) Exeter Cathedral USES (2) Castle Drogo USES (3) Buckfast Abbey USES…
Newington Rag Limestone
Newington Rag Limestone <NOTE: CONTENTS ARE BETA VERSION – SUBJECT TO FACT CHECK AND VERIFICATION> Geological Formation The Newington Rag Limestone is a geological formation that is part of the Lower Greensand Group (Woods, 2001). The Lower Greensand Group is a series of sedimentary rocks that were deposited during the Early Cretaceous period, which occurred…
Folkestone Rag Limestone
Folkestone Rag Limestone <NOTE: CONTENTS ARE BETA VERSION – SUBJECT TO FACT CHECK AND VERIFICATION> Geological Formation The Folkestone Rag Limestone is a geological formation that is part of the Lower Greensand Group. The Lower Greensand Group is a series of sedimentary rocks that were deposited during the Early Cretaceous period, which occurred between 145…
Purbeck Limestone
Purbeck Limestone <NOTE: CONTENTS ARE BETA VERSION – SUBJECT TO FACT CHECK AND VERIFICATION> Geological Formation The Purbeck Limestone is a sedimentary rock that is found in the Purbeck Hills of Dorset, England. The stone dates back to the Late Jurassic period, which occurred between 163.5 and 145 million years ago. It is a type…
Portland Limestone
Portland Limestone <NOTE: CONTENTS ARE BETA VERSION – SUBJECT TO FACT CHECK AND VERIFICATION> The Portland Limestone is a valuable building stone that has been used in numerous structures throughout history. It is important to understand its geological formation, its lithological characteristics, and its applications to appreciate its significance. This academic paper aims to explore…