earth science

Nevado El Cisne

Nevado El Cisne 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 Nevado El Cisne rather than just read about it. In short: The Nevado El Cisne or Nevado del Cisne (English: The Snowy Swan), also known as Paramillo el Cisne or Paramillo del Cisne (English: The Little Paramo-like Swan), is a volcano in the Central Ranges of the Andes in Colombia. Its summit is at an altitude of approximately 4,700 metres (15,400 ft).

Key takeaways

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

Reference excerpt

The Nevado El Cisne or Nevado del Cisne (English: The Snowy Swan), also known as Paramillo el Cisne or Paramillo del Cisne (English: The Little Paramo-like Swan), is a volcano in the Central Ranges of the Andes in Colombia. Its summit is at an altitude of approximately 4,700 metres (15,400 ft). The mountain belongs to the Cisne-Morro Negro lava dome, a small volcanic complex near Nevado del Ruiz. Despite the nevado part of the name, indicating a permanently snow-capped mountain, the summit of El Cisne is now below the permanent snow line as a result of global warming, and it is no longer considered a true nevado. Hence it is now commonly referred to as a paramillo.

Geology Nevado El Cisne is the summit of a small volcanic complex which includes El Cisne's sister peak, Morro Negro, and several subpeaks. They are small stratovolcanoes. The complex has well-preserved morphology with barely eroded lava flows, suggesting recent volcanic activity.

Five emission centers have been identified as generators of lava flows. The lava flows are andesitic and present notably smaller volumes compared to those observed in neighbouring volcanic complexes (Ruiz and Santa Isabel). The volcano is located over the Palestina Fault, that crosscuts the underlying El Bosque Batholith of Eocene age, dated at 49.1 ± 1.7 Ma.

See also List of volcanoes in Colombia List of volcanoes by elevation List of mountains in Colombia

References

Bibliography González, Humberto (2001). Geología de las planchas 206 Manizales y 225 Nevado del Ruiz - 1:100,000 - Memoria explicativa (PDF) (Report). INGEOMINAS. pp. 1–93. Retrieved 2017-06-09. Mosquera, Darío; Martín, Pedro; Vesga, Carlos; González, Humberto (1998). Plancha 225 - Nevado del Ruiz - 1:100,000 (Map). INGEOMINAS. p. 1. Retrieved 2017-06-06.

Worked examples

Example 1 — a first encounter with Nevado El Cisne

Start with the simplest possible case. Write down what Nevado El Cisne 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 Nevado El Cisne 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 Nevado El Cisne 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 Nevado El Cisne

In research: Nevado El Cisne 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 Nevado El Cisne 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: Nevado El Cisne is common in secondary-school and first-year university syllabi. It links to neighbouring topics Andean Volcanic Belt, Colombia geography stubs, Four-thousanders of the Andes, so understanding it makes those chapters shorter.
In everyday life: Look for Nevado El Cisne 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 Nevado El Cisne in 20 minutes

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

Frequently asked questions

What is Nevado El Cisne in simple terms?

Why does Nevado El Cisne 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 Nevado El Cisne?

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 Nevado El Cisne.