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10 10, 2015

Top Rocks – Best Locations UK and Ireland (Geology)

By |2023-04-07T09:16:52+01:00October 10th, 2015|General Teaching|Comments Off on Top Rocks – Best Locations UK and Ireland (Geology)

Top One Hundred Geology Sites (UK and Ireland) – In Praise of British Geology

In celebration of Earth Science week which officially starts today (10th to 17th October 2016), the British Geological Society has published a survey showing the top one hundred locations in terms of their geological significance in the UK and Ireland.   The list was compiled from photographs sent in by members of the public and then they was a popular vote to decide the “people’s choice” in terms of favourite geology sites.  Sites from all over the British Isles and Ireland were selected, four of the top ten sites listed come from Scotland, the other six can be found in England.

In Praise of British Geology

The Foreland Mountains of Sutherland (Scotland)

In Praise of British Geology

Voted number one in the British Geological Society Survey.

Picture credit: The British Geological Society

Different Categories Listed

In order to help with the many hundreds of entries, the survey was divided into ten broad categories which included “fire and ice”, “human habitation” and sites which are “historically and scientifically important”.  The famous beaches at Lyme Regis, part of the amazing “Jurassic Coast” featured, in the top fifty.

Fossils at Lyme Regis

In Praise of British Geology - Lyme Regis

Stonebarrow and Golden Cap can be seen in the background. In praise of British Geology.

Picture credit: Everything Dinosaur

The Top Ten Locations

The top ten geology locations as voted by members of the public (over 1,200 people took part) are:

  1. The Foreland Mountains Assynt (Sutherland, Scotland) with its rugged, isolated mountains (see picture at the top of this article).
  2. Ironbridge Gorge (Shropshire).
  3. Siccar Point (Scotland) the site of a world famous unconformity where the junction between the older, tilted layers of greyish sandstone and the younger Old Red Sandstone is seen.
  4. The Rotunda Museum (North Yorkshire) a building design suggested by the famous geologist William Smith (built 1829).
  5. Staffa – the basaltic columns on the island (Inner Hebrides).
  6. Stonehenge, a World Heritage site in Wiltshire.
  7. Hunstanton Cliffs – a wonderful coastal location where the red limestone is capped by white chalk.
  8. The Craster Coastline, with its unusual geology and many notable outcrops.
  9. Millook Haven – North Cornwall into Devon showing wonderful geological formations including folds of inter-bedded sandstones.
  10. Glencoe (Scotland), the remnants of a long extinct super volcano that existed back in the Palaeozoic Eon.

Everything Dinosaur – In Praise of British Geology

A spokesperson from the Cheshire based dinosaur company, Everything Dinosaur stated:

The British Isles [the United Kingdom and Ireland] have some wonderful and simply amazing geological features.  We urge members of the public to learn more about these fascinating locations and to get out and about and explore them.”

The British Geological Society (based London), may be the oldest geology society in the world, (founded in 1807), but the UK and Ireland has still got a huge array of amazing places to discover and explore that are not that well known to members of the public.

Visit Everything Dinosaur’s website: Everything Dinosaur.

10 10, 2015

Unborn Foal Identified from Remarkable Ancient Horse Fossil

By |2024-05-05T18:11:25+01:00October 10th, 2015|Dinosaur and Prehistoric Animal News Stories, Main Page, Photos/Pictures of Fossils|0 Comments

Eurohippus messelensis – Fossil Reveals Ancient Foetus

The fossilised remains of an ancient, prehistoric horse that once roamed southern Germany has revealed the presence of an unborn foal.  Scanning electron microscopy of the beautifully preserved fossil has revealed the bones of a foetus, this is the oldest fossilised equine foetus discovered to date and reveals that the horse reproductive system was already highly developed by the early Middle Eocene.

Ancient Horse – Eurohippus messelensis

Ancient Horse Fossil Reveals Unborn Foal

Eurohippus foetus fossil from the Messel Shale.

Eurohippus foetus fossil from the Messel Shale.

Picture credit: Senckenberg Research Institute

The position of the foetus in the mare is marked by the white ellipse in the picture above.  Scale bar equals 10 centimetres.  The fossil has been set in resin, this is a standard procedure to help preserve the fossils from the Messel oil shales.

An Ancient Horse

Details of the research, conducted by scientists from the Senckenberg Research Institute (Frankfurt) and the University of Veterinary Medicine (Vienna), have been published in the academic journal PloS One.  The fossil, an early horse called Eurohippus messelensis, was excavated from the Messel Shales near Darmstadt (Germany) in 2000 but it was only after recent high resolution micro-X-ray studies in combination with the scanning electron microscopy that the 12.5 centimetre long foetus was found.

Most of the skeleton is intact (post cranial material) and elements of the placenta can be determined.  Based on a comparison with modern horses, the position of the foetus, which was near full term at the time of death, is almost identical to that seen in today’s mares which are at roughly the same stage of pregnancy.

Death of the Mare

The death of the potential mother-to-be and the unborn foal are not related to any potential complications that arose during parturition.  It seems that this little, ancestral horse that was just thirty centimetres high at the shoulder, ended up in a large, deep lake and was quickly buried in the oxygen depleted sediments at the bottom.  These sediments eventually became the oil shales which make this part of southern Germany so famous.

A Line Drawing of the Exposed Side of the Foetus

Scale bar 10 cm (A and B)

Scale bar 10 cm (A and B)

Picture credit: Senckenberg Research Institute, Jörg Habersetzer; line drawing (b) by  Jens Lorenz Franzen.

The picture above (a) shows the foetus position in relation to the bones of the adult and maps out the position of the placenta (line drawing b).

How did the Ancient Horse Die?

The oil shales of Messel contain a huge amount of fossils, both aquatic and terrestrial species, but how did this rich fossil assemblage come about?  This part of Germany was located ten degrees further south during the early Middle Eocene than it is today.  It is believed to have been a very geologically active area and infrequent releases of large concentrations of poisonous gases from the deep lakes in the area could have devastated the local ecosystem.

Deadly releases of carbon dioxide mixed with hydrogen sulphide would have quickly suffocated animals in the water and once these gases had reached land they would quickly overcome any animal in close proximity to the shore.  Corpses would have been washed into the lake by rains and eventually they would have drifted down to the bottom, where the lack of oxygen and bacteria would have facilitated their excellent preservation.  This theory also accounts for the number of bird and bat fossils found in these oil shale deposits.

Any animal flying over the lake and encountering the gas cloud would be affected and fall into the water.  Bat fossils are amongst the most numerous of all the terrestrial vertebrate fossils found at the Messel quarry site.

Such a scenario was depicted in the “Walking with Beasts” episode “New Dawn” made by the BBC.

Eurohippus (E. messelensis) is one of a number of early ungulates known from the Messel shales of Germany.

Everything Dinosaur stocks a range of prehistoric mammal models and replicas: Models of Prehistoric Mammals.

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