biology

Marplatan

Marplatan is a biology 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 Marplatan rather than just read about it. In short: The Marplatan age ('Uquian') is a period of geologic time (3.3–2 Ma) in both the Pliocene and Pleistocene epochs, used specifically within the South American Land Mammal Ages. Chronology The Marplatan age follows the Chapadmalalan and precedes the Ensenadan age.

Key takeaways

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

Reference excerpt

The Marplatan age ('Uquian') is a period of geologic time (3.3–2 Ma) in both the Pliocene and Pleistocene epochs, used specifically within the South American Land Mammal Ages.

Chronology The Marplatan age follows the Chapadmalalan and precedes the Ensenadan age. The source localities for all three subages (Barranca de los Lobos Formation, Vorohué Formation, San Andrés Formation) come from near Mar del Plata, Buenos Aires Province, Argentina.

Barrancalobian The Barrancalobian is the first subage of the Marplatan, and is characterized by the Platygonus scagliai biozone. A possible cosmic impact occurred at the start of the Marplatan (3.3Ma) in Argentina.

Vorohuen The Vorohuen subage contains the Akodon (Akodon) lorenzinii biozone. The first canids (Dusicyon) and mustelids (Galictis) of South America appear in Vorohuen-age sediments of the Pampas.

Sanandresian The Sanandresian subage concludes the Marplatan, and coincides with the Ctenomys chapalmalensis ('Paractenomys chapadmalensis') biozone. A broadly cold and arid climate began in the Sanandresian, which persisted into the Ensenadan age.

References

Worked examples

Example 1 — a first encounter with Marplatan

Start with the simplest possible case. Write down what Marplatan claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Marplatan 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 Marplatan 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 Marplatan

In research: Marplatan appears in biology 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 Marplatan 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: Marplatan is common in secondary-school and first-year university syllabi. It links to neighbouring topics Gelasian, Geochronology stubs, Neogene South America, so understanding it makes those chapters shorter.
In everyday life: Look for Marplatan 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Marplatan in 20 minutes

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

Frequently asked questions

What is Marplatan in simple terms?

The Marplatan age ('Uquian') is a period of geologic time (3.3–2 Ma) in both the Pliocene and Pleistocene epochs, used specifically within the South American Land Mammal Ages. Chronology The Marplatan age follows the Chapadmalalan and precedes the Ensenadan age.

Why does Marplatan matter?

Because it connects several biology 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 Marplatan?

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 Marplatan.