earth science

Sânpetru Formation

Sânpetru Formation 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 Sânpetru Formation rather than just read about it. In short: The Sânpetru Formation is an early Maastrichtian geologic formation located in Romania, near Sânpetru village, part of Sântămăria-Orlea commune. Dinosaur remains are among the fossils that have been recovered from the formation, comprising some of the fauna of Hațeg Island.

Key takeaways

Sânpetru Formation 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 Sânpetru Formation to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sânpetru Formation from memory before moving on to harder problems.

Reference excerpt

The Sânpetru Formation is an early Maastrichtian geologic formation located in Romania, near Sânpetru village, part of Sântămăria-Orlea commune. Dinosaur remains are among the fossils that have been recovered from the formation, comprising some of the fauna of Hațeg Island.

Description The Sânpetru Formation crops out in the central to southern Hațeg Basin along the Bărbat River and comprises sandstones and mudstones deposited in a wet floodplain environment characterized by braided fluvial channels. The formation is correlated with the Densuș-Ciula Formation of the northern section of the same basin, both dating to the Maastrichtian of the Late Cretaceous.

Fossil content

Amphibians

Turtles

Squamates

Crocodyliformes

Ornithischians

Sauropods

Theropods

Pterosaurs

Mammals

See also List of fossiliferous stratigraphic units in Romania List of dinosaur-bearing rock formations Hațeg Island

References

Bibliography Mayr, Gerald; Codrea, Vlad; Solomon, Alexandru; Bordeianu, Marian; Smith, Thierry (2019), "A well-preserved pelvis from the Maastrichtian of Romania suggests that the enigmatic Gargantuavis is neither an ornithurine bird nor an insular endemic", Cretaceous Research, 106 104271, doi:10.1016/j.cretres.2019.104271 Solomon, Alexandru; Codrea, Vlad (2015), "Some Maastrichtian vertebrates from fluvial channel fill deposits at Pui (Hațeg Basin)", Muzeul Olteniei Craiova. Oltenia. Studii și comunicări. Științele Naturii, 31: 26–36, ISSN 1454-6914 Kessler, E.; Grigorescu, D.; Csiki, Z. (2005), "Elopteryx revisited - A new bird-like specimen from the Maastrichtian of the Hațeg Basin (Romania)", Acta Palaeontologica Romaniae, 5: 249–258 Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21

Illustrations

Worked examples

Example 1 — a first encounter with Sânpetru Formation

Start with the simplest possible case. Write down what Sânpetru Formation 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 Sânpetru Formation 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 Sânpetru Formation 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 Sânpetru Formation

In research: Sânpetru Formation 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 Sânpetru Formation 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: Sânpetru Formation is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cretaceous Romania, Fluvial deposits, Fossiliferous stratigraphic units of Europe, so understanding it makes those chapters shorter.
In everyday life: Look for Sânpetru Formation 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 Sânpetru Formation in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sânpetru Formation 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 Sânpetru Formation out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sânpetru Formation in simple terms?

Why does Sânpetru Formation 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 Sânpetru Formation?

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 Sânpetru Formation.