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Lengefeld Lime Works

Lengefeld Lime Works is a 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 Lengefeld Lime Works rather than just read about it. In short: The Lengefeld Lime Works (German: Kalkwerk Lengefeld) was a limestone mine southwest of Lengefeld in the Saxon town of Pockau-Lengefeld in the Ore Mountains. In 2016, the mine was closed.

Lengefeld Lime Works — main illustration
Lengefeld Lime Works — illustration

Key takeaways

  • Lengefeld Lime Works belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Lengefeld Lime Works to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Lengefeld Lime Works from memory before moving on to harder problems.

Reference excerpt

The Lengefeld Lime Works (German: Kalkwerk Lengefeld) was a limestone mine southwest of Lengefeld in the Saxon town of Pockau-Lengefeld in the Ore Mountains. In 2016, the mine was closed.

Geology of the deposit The Lengefeld deposit is located not far from the B 101 road, in the wood between the Heinzebank and Pockau. The only element of economic value is dolomitic marble, which is categorized lithostratigraphically as part of the Raschau Formation within the Keilberg Group. The material immediately surrounding the deposit comprises Lower Cambrian rock of the Raschau sequence, about 530 to 540 million years old. Feldspar-bearing muscovite mica-schist forms the basis of this sequence in which thin lenses of amphibolite are interspersed. The stratum of dolomitic marble has an average thickness of 50 to 90 metres. Host rocks include garnet-bearing and quartzitic muscovite mica-schist as well as interleaved strata of quartzite schist (Quarzitschiefer). As a result of the Variscan mountain building the once compact body of marble was split into five blocks known as the Altes Lager ("Old Deposit"), Neues Lager ("New Deposit), Tiefes Lager ("Deep Deposit"), Lößnitz-Lager ("Lößnitz Deposit") and Weißer Ofen ("White Kiln").

History The mining of lime from this deposit was first mentioned in a deed of enfeoffment dated 1528. This was a result of lease agreements or was a fiscal deed produced under the direction of the Royal Saxon Forestry Offices. In 1567, the existence of a quarry and two kilns is recorded in a deed of sale by the Barony of Rauenstein to Prince-Elector Augustus. The rated quantity of lime produced per firing was 280 tons for one of the kilns, and 260 tons for the others. Lime from Lengefeld was used inter alia by the architect (Baumeister), Hans Irmisch, for the construction of Freudenstein Castle in Freiberg. In the final years of the 17th century, the Scheibenberg pastor and chronicler, Christian Lehmann, praised the production of lime around Lengefeld:

"By the River Flöha and its tributaries lie 3 noble lime kilns around Lengefeld, which are highly valued, because every year up to 3, 4 or even more times 300 tons of lime can be burned and the value of a ton on the spot is 8 gr." (original text: „An der Flöhe und ihren Einfällen liegen 3 fürnehme Kalck-Ofen um Lengefeld, die hoch æstimirt werden, dieweil man alle Jahr daselbst zu 3, 4 und auch mehrmahlen iederzeit auf 300 Tonnen Kalck brennen kan, und gilt die Tonne auff der Stelle 8 gr.“) In 2016, the company Geomin closed the mine, because the deposits are exhausted. The processing plant remains in operation for the other quarry of the company in Hammerunterwiesenthal.

References

Literature Jutta Sachse: Technisches Denkmal Museum Kalkwerk Lengefeld: Technisches Denkmal der Bindemittelindustrie im europäischen Raum. Sächsische Landesstelle für Museumswesen, Chemnitz 2001. Siegfried Biedermann: 475 Jahre Kalkbergbau in Lengefeld 1582 bis 2003. Stadtverwaltung Lengefeld, Lengefeld, 2003. Wolfgang Schilka: Kalkwerk Lengefeld: 475 Jahre Marmorgewinnung aus der Lengefelder Lagerstätte. In: Erzgebirgische Heimatblätter 25. Jg., 3/2003, pp. 9–13. ISSN 0232-6078 Lagerstätte Lengefeld/Erzgebirge. In: Marmore im Erzgebirge, Bergbau in Sachsen Band 16, Landesamt für Umwelt, Landwirtschaft und Geologie; Freiberg, 2010; pp. 81–89. (PDF 7,47 MB) Projektgruppe UNESCO-Welterbe Montanregion Erzgebirge: Umsetzungsstudie Kalkwerk Lengefeld. Freiberg, 2011. (PDF)

External links

Information on the Lengefeld site of the GEOMIN Erzgebirgische Kalkwerke GmbH Lengefeld Lime Works Museum Photos of the quarry at Panoramio.com 1, 2 Photos of the „Weißer Ofen“ quarry at Panoramio.com 1, 2, 3

Illustrations

Lengefeld Lime Works: View of the historic open pit facilities of the lime works
View of the historic open pit facilities of the lime works
Lengefeld Lime Works: View of the historic open pit facilities of the lime works in winter
View of the historic open pit facilities of the lime works in winter
Lengefeld Lime Works: View into the open quarry (end of 1945) – part of the collection of the Old Masters Gallery in Dresden was stored in the stopes of the second level (2. Sohle) during the Second World War
View into the open quarry (end of 1945) – part of the collection of the Old Masters Gallery in Dresden was stored in the stopes of the second level (2. Sohle) during the Second World War
Lengefeld Lime Works: Gallery entrance in the bottom of the open quarry (end of 1945)
Gallery entrance in the bottom of the open quarry (end of 1945)
Lengefeld Lime Works: Weather vane on the restaurant, Gaststätte Kalkwerk, with the years "1551" and "1983" and the mining symbol of the hammer and pick
Weather vane on the restaurant, Gaststätte Kalkwerk, with the years "1551" and "1983" and the mining symbol of the hammer and pick

Worked examples

Example 1 — a first encounter with Lengefeld Lime Works

Start with the simplest possible case. Write down what Lengefeld Lime Works claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In 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 Lengefeld Lime Works 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 Lengefeld Lime Works 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 Lengefeld Lime Works

In research
Lengefeld Lime Works appears in 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 Lengefeld Lime Works 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
Lengefeld Lime Works is common in secondary-school and first-year university syllabi. It links to neighbouring topics Calcium carbonate mining, Economy of East Germany, Erzgebirgskreis, so understanding it makes those chapters shorter.
In everyday life
Look for Lengefeld Lime Works 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 Lengefeld Lime Works in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Lengefeld Lime Works means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Lengefeld Lime Works out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lengefeld Lime Works in simple terms?

The Lengefeld Lime Works (German: Kalkwerk Lengefeld) was a limestone mine southwest of Lengefeld in the Saxon town of Pockau-Lengefeld in the Ore Mountains. In 2016, the mine was closed.

Why does Lengefeld Lime Works matter?

Because it connects several 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 Lengefeld Lime Works?

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 Lengefeld Lime Works.

Tags

  • Calcium carbonate mining
  • Economy of East Germany
  • Erzgebirgskreis
  • Lime kilns in Germany
  • Mines in Germany
  • Mining in the Ore Mountains
  • Museums in Saxony
  • Nature reserves in Saxony
  • Pockau-Lengefeld

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