earth science

Nevado San Francisco

Nevado San Francisco 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 San Francisco rather than just read about it. In short: Nevado San Francisco, or Cerro San Francisco (Spanish pronunciation: [neˈβaðo/ˈsero saɱ fɾanˈsisko]), is a stratovolcano on the border between Argentina and Chile, located just southeast of San Francisco Pass. It is considered extinct and is one of the several 6,000 m (19,700 ft) peaks in the area, of which the chief is the Ojos del Salado.

Key takeaways

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

Reference excerpt

Nevado San Francisco, or Cerro San Francisco (Spanish pronunciation: [neˈβaðo/ˈsero saɱ fɾanˈsisko]), is a stratovolcano on the border between Argentina and Chile, located just southeast of San Francisco Pass. It is considered extinct and is one of the several 6,000 m (19,700 ft) peaks in the area, of which the chief is the Ojos del Salado. It is on the border of 2 provinces: Argentinean province of Catamarca; Chilean province of Copiapo. The volcano is part of the Central Volcanic Zone of the Andes and reaches an elevation of 6,016 metres (19,738 ft). It is composed from andesite with the exception of basaltic cones and lava flows on the eastern side. These cones are part of the Peinado lineament and a sample was dated 200,000 years ago by argon chronology. They are noteworthy for their olivine phenocrysts. One lava flow less than one million years old reaches a length of 11 kilometres (6.8 mi). The western slopes contain dacitic lava domes. On the summit lie two circle-shaped constructs, of Inca or Formative period ages. San Francisco was first climbed by Walther Penck (Germany) on 16 December 1913.

Notes

See also "San Francisco". Global Volcanism Program. Smithsonian Institution.

References

External links Elevation information about San Francisco Weather Forecast at San Francisco

Illustrations

Worked examples

Example 1 — a first encounter with Nevado San Francisco

Start with the simplest possible case. Write down what Nevado San Francisco 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 San Francisco 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 San Francisco 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 San Francisco

In research: Nevado San Francisco 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 San Francisco 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 San Francisco is common in secondary-school and first-year university syllabi. It links to neighbouring topics Andean Volcanic Belt, Argentina geography stubs, Atacama Region geography stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Nevado San Francisco 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 San Francisco in 20 minutes

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

Frequently asked questions

What is Nevado San Francisco in simple terms?

Why does Nevado San Francisco 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 San Francisco?

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 San Francisco.