earth science

Mount Jarvis

Mount Jarvis 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 Mount Jarvis rather than just read about it. In short: Mount Jarvis is an eroded shield volcano and stratovolcano in the Wrangell Mountains of eastern Alaska. It is located in Wrangell-Saint Elias National Park about 10 miles (16 km) east of the summit of Mount Wrangell.

Key takeaways

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

Reference excerpt

Mount Jarvis is an eroded shield volcano and stratovolcano in the Wrangell Mountains of eastern Alaska. It is located in Wrangell-Saint Elias National Park about 10 miles (16 km) east of the summit of Mount Wrangell. The mountain sits at the northeastern edge of the massive ice-covered shield of Wrangell, rising nearly 5,000 feet (1,500 m) above it in a spectacular series of cliffs and icefalls. When seen from above, Mount Jarvis is distinctly dumbbell-shaped, with two prominent peaks connected by a narrower ridge. The mountain's main summit is 13,421 feet (4,091 m), making it one of numerous thirteeners (peaks between 13,000 and 13,999 feet in elevation) in Alaska. The second summit is located about 3 miles (5 km) to the north-northwest, reaching 13,025 feet (3,970 m) with over 725 feet (221 m) of prominence above the connecting saddle, thus qualifying it as an independent peak on the list of thirteeners as well. The entire summit area including both peaks and the ridge is covered in glacial ice. The steep, rocky eastern and western faces of Mount Jarvis form headwalls above the cirques of the Jacksina Glacier and Copper Glacier, which flow northward out of the Wrangell Mountains. Mount Jarvis was named in 1903 by F. C. Schrader, a USGS geologist, for Lt. David H. Jarvis of the U. S. Revenue Cutter Service, who led the Overland Relief Expedition to aid a whaling fleet trapped in Arctic Ocean ice off Point Barrow in 1897–98.

Illustrations

Worked examples

Example 1 — a first encounter with Mount Jarvis

Start with the simplest possible case. Write down what Mount Jarvis 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 Mount Jarvis 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 Mount Jarvis 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 Mount Jarvis

In research: Mount Jarvis 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 Mount Jarvis 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: Mount Jarvis is common in secondary-school and first-year university syllabi. It links to neighbouring topics Four-thousanders of the United States, Landforms of Copper River Census Area, Alaska, Mountains of Unorganized Borough, Alaska, so understanding it makes those chapters shorter.
In everyday life: Look for Mount Jarvis 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 Mount Jarvis in 20 minutes

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

Frequently asked questions

What is Mount Jarvis in simple terms?

Why does Mount Jarvis 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 Mount Jarvis?

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 Mount Jarvis.