earth science

Puerto Yeruá Formation

Puerto Yeruá 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 Puerto Yeruá Formation rather than just read about it. In short: The Puerto Yeruá Formation is a Late Cretaceous geologic formation in the Paraná Basin, pertaining to Entre Ríos Province, Argentina. Dinosaur remains are among the fossils that have been recovered from the formation, as well as egg fragments and fossilized wood.

Key takeaways

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

Reference excerpt

The Puerto Yeruá Formation is a Late Cretaceous geologic formation in the Paraná Basin, pertaining to Entre Ríos Province, Argentina. Dinosaur remains are among the fossils that have been recovered from the formation, as well as egg fragments and fossilized wood.

Description The formation comprises red claystones and grey sandstones, medium-thick, well silicified, partly conglomeratic, whitish and reddish color thanks to the presence of iron oxides and frequently calcareous cement. It was deposited in a lacustrine to floodplain humid environment with seasonal rainfall. Fossils of cf. Sphaerovum erbeni (Faveoloolithidae), Theropoda indet., and Ankylosauria indet. are reported from the formation. The formation has been correlated with the Guichón Formation of eastern Uruguay.

Paleofauna Argyrosaurus superbus (lithostrotia indet.) Paraperseoxylon septatum

Trace fossils Elipsoideichnus meyeri

See also List of dinosaur-bearing rock formations List of stratigraphic units with few dinosaur genera Guichón Formation

References

Bibliography Franco, María Jimena; Brea, Mariana; Passeggi, Esteban; Pérez, Leandro Martín (2015), "The first record of Lauraceae fossil woods from the Cretaceous Puerto Yeruá Formation of eastern Argentina and palaeobiogeographic implications", Cretaceous Research, 56: 388–398, doi:10.1016/j.cretres.2015.05.014, hdl:11336/42166, retrieved 2019-03-26 Soto, M.; Perea, D.; Veroslavsky, G.; Rinderknecht, A.; Ubilla, M.; Lecuona, G. (2009), "Nuevos hallazgos de restos de dinosaurios y consideraciones sobre la edad de la Formación Guichón - New findings of dinosaur remains and considerations on the age of the Guichón Formation" (PDF), Revista Sociedad Uruguaya de Geología, 15: 11–23, retrieved 2018-09-07 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{{citation}}: CS1 maint: publisher location (link) de Valais, S.; Apesteguía, S.; Udrizar Sauthier, D. (2003), "Nuevas evidencias de dinosaurios de la Formación Puerto Yeruá (Cretácico), provincia de Entre Ríos, Argentina - New evidence of dinosaurs from the Puerto Yeruá Formation (Cretaceous), Entre Ríos province, Argentina", Ameghiniana, 40: 631–635, retrieved 2019-10-13

Worked examples

Example 1 — a first encounter with Puerto Yeruá Formation

Start with the simplest possible case. Write down what Puerto Yeruá 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 Puerto Yeruá 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 Puerto Yeruá 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 Puerto Yeruá Formation

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

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

Frequently asked questions

What is Puerto Yeruá Formation in simple terms?

Why does Puerto Yeruá 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 Puerto Yeruá 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 Puerto Yeruá Formation.