get out & about with
OGG
JUNE FEATURED Rock Type
Northampton Sandstone Formation
Inferior Oolite Group. Aalenian Age of the Jurassic Period
Rock
Data Sheet
Another rock formation found in Oxfordshire, in and around the Cherwell Valley.
Sandy, ironstone, greenish grey where fresh, weathering to brown sandstone. The common iron minerals in the fresh specimen are berthierine, siderite and limonite. The lowest part is commonly muddy and less iron-rich (ferruginous). The uppermost beds are generally more-or-less ferruginous sandstone. It can include lenses of mudstone and limestone in places, and contains a fairly abundant marine fossils of bivalves, brachiopods and ammonites.
An unrivalled, wide-ranging package of events and activities
OGG delivers a super programme of affordable events and activities throughout the year - open to all. We organise conferences, lectures, field trips, guided walks, training and educational workshops.
It's easy to join Oxford Geology Group
Although you don't have to join OGG to enjoy most of our activities (it is cheaper to participate for OGG members) we would love for you to take membership. Membership has its benefits and we would be happy to talk to you about this.
WAGER
BUCKLAND
An Oxford geologist who made the detailed documentation of the first dinosaur fossil known to science.
Ⓒ The Oxford Geology Group 2010-2021. All Rights Reserved.
Registered with The Charity Commission as a
Charitable Incorporated Organisation (CIO)
in England & Wales 1175367.
Her Majesty's Revenue and Customs recognise
The Oxford Geology Group
as a charity for tax purposes.
Registered address:
Department of Earth Sciences,
South Parks Road,
Oxford, OX1 3AN