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The Woburn Sands Formation is a geological formation in England. Part of the Lower Greensand Group, it is the only unit of the group where it occurs, and thus is sometimes simply referred to as the 'Lower Greensand' in these areas. It was deposited during the late Aptian to early Albian stages of the Early Cretaceous.
North and west of London – including Cambridgeshire, Bedfordshire and Buckinghamshire – it is referred to as the Woburn Sands Formation. In Oxfordshire it is known as the Faringdon Sand. In North Wiltshire as the Calne Sands Formation and in parts of Wiltshire, Oxfordshire and Buckinghamshire as the Seend Ironstone Formation.
The quartzite and shale of the Westboro Formation appears to be the oldest Avalonian rock in Massachusetts. During the period when it was a part of the Gondwanan crust, the formation of the highly deformed mylonite of the Burlington mylonite zone began prior to 625 million years ago. Between 620 and 610 million years ago (rocks of these ages ...
Woburn Sands Formation; Y. Yat Rock This page was last edited on 19 July 2022, at 15:47 (UTC). Text is available under the Creative Commons Attribution ...
The Aberjona River is a 9.3-mile-long (15.0 km), [1] heavily urbanized river in the northwestern suburbs of Boston, Massachusetts. The name is from the Natick language and means "junction or confluence". [2] The river rises in Reading, flows roughly south through Woburn and Winchester, and empties into the Mystic Lakes. It is generally small ...
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The Lambeth Group is a stratigraphic group, a set of geological rock strata in the London and Hampshire basins of southern England.It comprises a complex of vertically and laterally varying gravels, sands, silts and clays deposited between 56-55 million years before present during the Ypresian age (lower Eocene).
Woburn sand. From Wikipedia, the free encyclopedia. Redirect page. Jump to navigation Jump to search. Redirect to: Lower Greensand Group; Retrieved from "https://en ...