earth science

Whitby Mudstone

Whitby Mudstone is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Whitby Mudstone rather than just read about it. In short: The Whitby Mudstone is a Toarcian (Early Jurassic; Falciferum-Bifrons in regional chronostratigraphy) geological formation in Yorkshire and Worcestershire, England. The formation, part of the Lias Group, is present in the Cleveland and Worcester Basins and the East Midlands Shelf.

Key takeaways

Whitby Mudstone belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Whitby Mudstone to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Whitby Mudstone from memory before moving on to harder problems.

Reference excerpt

The Whitby Mudstone is a Toarcian (Early Jurassic; Falciferum-Bifrons in regional chronostratigraphy) geological formation in Yorkshire and Worcestershire, England. The formation, part of the Lias Group, is present in the Cleveland and Worcester Basins and the East Midlands Shelf.

Lithology The formation consists of mudstone and siltstone, partly laminated and bituminous, medium to dark grey in colour, with rare fine grained calcareous sandstone beds. Limestone and phosphatic nodules are present at some levels.

Fossil content Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus. One of the more notable discoveries is the skull of the pterosaur Parapsicephalus, found within the Alum Shale Member.

Vertebrates

Insects Insect compression fossils are known from nodules found on Alderton Hill near Alderton and Dumbleton in Gloucestershire, including Alderton Hill Quarry and other nearby localities.

See also List of fossiliferous stratigraphic units in England Toarcian turnover Toarcian formations

Notes and references

Notes

References

Bibliography O'Sullivan, Michael; Martill, David M. (2017). "The taxonomy and systematics of Parapsicephalus purdoni (Reptilia: Pterosauria) from the Lower Jurassic Whitby Mudstone Formation, Whitby, U.K" (PDF). Historical Biology. 29 (8): 1009–1018. Bibcode:2017HBio...29.1009O. doi:10.1080/08912963.2017.1281919. Retrieved 12 March 2020. Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (2004). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 1–880. ISBN 0-520-24209-2. Retrieved 21 February 2019.

Further reading M. O'Sullivan, D. M. Martill, and D. Groocock. 2013. A pterosaur humerus and scapulocoracoid from the Jurassic Whitby Mudstone Formation, and the evolution of large body size in early pterosaurs. Proceedings of the Geologists' Association A. S. Smith and G. J. Dyke. 2008. The skull of the giant predatory pliosaur Rhomaleosaurus cramptoni: implications for plesiosaur phylogenetics. Naturwissenschaften 95:975-980 M. J. Benton and M. A. Taylor. 1984. Marine reptiles from the Upper Lias (Lower Toarcian, Lower Jurassic) of the Yorkshire coast. Proceedings of the Yorkshire Geological Society 44(4):399-429 F. v. Huene. 1926. The carnivorous Saurischia in the Jura and Cretaceous formations, principally in Europe. Revista del Museo de La Plata 29:35-167 C. W. Andrews. 1922. Note on the skeleton of a large plesiosaur (Rhomaleosaurus thorntoni, sp. n) from the Upper Lias of Northamptonshire. Annals and Magazine of Natural History 10:407-415 R. Tate and J. F. Blake. 1876. The Yorkshire Lias 1-475

Illustrations

Worked examples

Example 1 — a first encounter with Whitby Mudstone

Start with the simplest possible case. Write down what Whitby Mudstone claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Whitby Mudstone before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Whitby Mudstone ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Whitby Mudstone

In research: Whitby Mudstone appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Whitby Mudstone in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Whitby Mudstone is common in secondary-school and first-year university syllabi. It links to neighbouring topics Early Jurassic Europe, Geologic formations of England, Geology of North Yorkshire, so understanding it makes those chapters shorter.
In everyday life: Look for Whitby Mudstone outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Whitby Mudstone in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Whitby Mudstone means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Whitby Mudstone out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Whitby Mudstone in simple terms?

Why does Whitby Mudstone matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Whitby Mudstone?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Whitby Mudstone.