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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.

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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.  

 

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DINOSAURS

The first dinosaurs known to science were found in Oxfordshire.

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CUMNOR FOSSILS

Phil Powell writes about the fossil collecting of Edward Lhuyd.

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WAGER

Professor Michael Winterbottom on Wager's life of great scholarship and derring do.

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BUCKLAND

An Oxford geologist who made the detailed documentation of the first dinosaur fossil known to science.

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