earth science

Léopold de Folin

Léopold de Folin 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 Léopold de Folin rather than just read about it. In short: Léopold de Folin (French pronunciation: [leɔpɔl(d) də fɔlɛ̃]; Alexandre Guillaume Léopold de, Marquis de Folin, 28 August 1817 – 5 July 1896) was an author, oceanographer, malacologist and early founder (1871) of the collections which were to become the Musée de la mer (sea museum) in Biarritz, France De Folin wrote on Caecidae for the reports published following the Challenger expedition of 1872–1876. With Henri Mi…

Key takeaways

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

Reference excerpt

Léopold de Folin (French pronunciation: [leɔpɔl(d) də fɔlɛ̃]; Alexandre Guillaume Léopold de, Marquis de Folin, 28 August 1817 – 5 July 1896) was an author, oceanographer, malacologist and early founder (1871) of the collections which were to become the Musée de la mer (sea museum) in Biarritz, France De Folin wrote on Caecidae for the reports published following the Challenger expedition of 1872–1876. With Henri Milne-Edwards's son Alphonse, de Folin carried out a survey of the Gulf of Gascony. He worked on board the Travailleur (a paddle-wheel aviso) in 1880, and on board the Talisman in 1883, for trips to the Canary Islands, the Cape Verde Islands and the Azores. De Folin also described the genus Oceanida of sea snails in the family Eulimidae.

Relatives Léopold de Folin was the brother-in-law of the French naturalist Pierre Marie Arthur Morelet, through his marriage with Morelet's sister Noémie.

Books Les Batysiphons (premières pages d'une monographie du genre) in Actes de la société Linnéenne de Bordeaux. Deloynes - J. Perez - Paul Brunaud - Abbé Letu - E. Simon - P. Fischer - P. De Loynes - Marquis DE FOLIN - Fernand Lataste - Louis Petit - E. Benoist - J. T. Billiot - P. Fischer - E. Duregne, 1886. Les Fonds de la Mer, études internationale sur les particularités nouvelles des régions sous-marines. De Folin, L. & Périer, L., 1867–1887. (in French) Sous les mers. Campagne d'explorations du "travailleur" et du "talisman". Avec 45 figures intercalées dans le texte. Paris, Librairie J.B. Baillière et fils, 1887 (in French). Pêches et chasses zoologiques. Avec 117 figures dessinées par l'auteur et intercalées dans le texte. Paris, Baillière, 1893 (in French) Other books on Amazon.com

Tributes The sea snail genus Folinella was named after de Folin. An exposition room dedicated to oceanography in the Musée de la mer in Biarritz, France, bears his name.

References

External links

Illustrations

Worked examples

Example 1 — a first encounter with Léopold de Folin

Start with the simplest possible case. Write down what Léopold de Folin 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 Léopold de Folin 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 Léopold de Folin 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 Léopold de Folin

In research: Léopold de Folin 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 Léopold de Folin 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: Léopold de Folin is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1817 births, 1896 deaths, French malacologists, so understanding it makes those chapters shorter.
In everyday life: Look for Léopold de Folin 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 Léopold de Folin in 20 minutes

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

Frequently asked questions

What is Léopold de Folin in simple terms?

Why does Léopold de Folin 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 Léopold de Folin?

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 Léopold de Folin.