earth science

La Cantera Formation

La Cantera 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 La Cantera Formation rather than just read about it. In short: The La Cantera Formation is a geologic formation in Argentina originating from the Late Aptian. Fossil theropod tracks have been reported in the formation.

Key takeaways

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

Reference excerpt

The La Cantera Formation is a geologic formation in Argentina originating from the Late Aptian. Fossil theropod tracks have been reported in the formation. The formation, deposited under lacustrine conditions, also has provided fossil plants, insects, fish, and gastropods.

Fossil content Among others, the following fossils have been reported from the formation:

Insects Hemiptera Canteronecta irajae Notonecta mazzoniae

Flora

See also List of dinosaur-bearing rock formations List of stratigraphic units with theropod tracks

References

Bibliography Castillo, Elías; Sánchez, María Lidia; Prámparo, Mercedes B. (2016), La Formación La Cantera: un ejemplo de relleno lacustre durante el pico de subsidencia del sistema de rift de Sierras Pampeanas Occidentales, San Luis (Cretácico Inferior), VII Congreso Latinoamericano de Sedimentología, retrieved 2019-02-16 Castillo Elías, Gabriela (2014), Depósitos lacustres de la Formación La Cantera (Aptiano Tardío), Sierras de El Gigante, cuenca de San Luis: nuevos aportes sedimentológicos, XIV Reunión Argentina de Sedimentología, retrieved 2019-02-16 Petrulevicius, J. F.; Nel, A.; Sallenave, A. S. (2010), "Recent genus Notonecta (Insecta: Heteroptera: Notonectidae) in the Lower Cretaceous of San Luis, Argentina: Palaeoecological implications", Annales de la Société Entomologique de France, 46 (1–2): 247–253, doi:10.1080/00379271.2010.10697665 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) Prámparo, M. B (1994), "Lower Cretaceous palynoflora of the La Cantera Formation, San Luis Basin: correlation with other Cretaceous palynofloras of Argentina", Cretaceous Research, 15 (2): 193–203, Bibcode:1994CrRes..15..193P, doi:10.1006/cres.1994.1010 Mazzoni, A. F (1985), "Notonectidae (Hemiptera, Heteroptera) de la formación La Cantera (Cretácico Inferior), Provincia de San Luis, Argentina", Boletin de la Academia Nacional de Ciencias, 56: 259–273

Worked examples

Example 1 — a first encounter with La Cantera Formation

Start with the simplest possible case. Write down what La Cantera 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 La Cantera 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 La Cantera 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 La Cantera Formation

In research: La Cantera 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 La Cantera 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: La Cantera Formation is common in secondary-school and first-year university syllabi. It links to neighbouring topics Aptian Stage, Conglomerate formations of Argentina, Cretaceous Argentina, so understanding it makes those chapters shorter.
In everyday life: Look for La Cantera 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 La Cantera Formation in 20 minutes

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

Frequently asked questions

What is La Cantera Formation in simple terms?

The La Cantera Formation is a geologic formation in Argentina originating from the Late Aptian. Fossil theropod tracks have been reported in the formation.

Why does La Cantera 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 La Cantera 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 La Cantera Formation.