earth science

Randecker Maar

Randecker Maar 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 Randecker Maar rather than just read about it. In short: The Randecker Maar is a maar – a volcanic crater about 1.2 kilometres (0.75 miles) wide. It is in the Swabian Jura mountains, in the municipality Bissingen an der Teck near Stuttgart and was formed around 17 million years ago.

Key takeaways

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

Reference excerpt

The Randecker Maar is a maar – a volcanic crater about 1.2 kilometres (0.75 miles) wide. It is in the Swabian Jura mountains, in the municipality Bissingen an der Teck near Stuttgart and was formed around 17 million years ago. A lake formed in the crater and its bed is now a layer of the early Miocene in which many fossils have been found. Nowadays, the crater is drained by the Zipfelbach brook and so there is no longer a lake. The northeastern wall of the crater has eroded and opens to lower ground. This forms a natural pass for the seasonal migration of birds and insects as they fly up and over the alps. This makes it a good point for observing these creatures and so an observatory was established there in 1969 by ornithologist Wulf Gatter – Forschungsstation Randecker Maar e.V.. The maar and gorge of the Zipfelbach were designated as a nature reserve by local ordinances in 1971 and 1990 to preserve the landscape and its fauna and flora for science and popular enjoyment. The area conserved is now 110 hectares (0.42 square miles).

References

Further reading Wulf Gatter [in German] (2000), Vogelzug und Vogelbestände in Mitteleuropa. 30 Jahre Beobachtung des Tagzugs am Randecker Maar, Wiebelsheim: Aula Verlag, ISBN 3-89104-645-6 Günter Schweigert [in German] (1998), Das Randecker Maar – Ein fossiler Kratersee im Albtrauf, Stuttgart: Staatliches Museum für Naturkunde, ISSN 0341-0161 Günter Schweigert [in German]; Günter Bechly [in German] (2001), "Bibliographie zur Geologie und Paläontologie des Randecker Maars (Unter-Miozän, Südwestdeutschland) 1825 – 2000" (PDF), Stuttgarter Beiträge zur Naturkunde, no. B302, Stuttgart, pp. 1–12, archived from the original (PDF) on 16 December 2019

Illustrations

Worked examples

Example 1 — a first encounter with Randecker Maar

Start with the simplest possible case. Write down what Randecker Maar 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 Randecker Maar 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 Randecker Maar 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 Randecker Maar

In research: Randecker Maar 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 Randecker Maar 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: Randecker Maar is common in secondary-school and first-year university syllabi. It links to neighbouring topics Geography of Baden-Württemberg, Maars, Miocene volcanoes, so understanding it makes those chapters shorter.
In everyday life: Look for Randecker Maar 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 Randecker Maar in 20 minutes

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

Frequently asked questions

What is Randecker Maar in simple terms?

Why does Randecker Maar 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 Randecker Maar?

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 Randecker Maar.