earth science

Luxembourg Sandstone

Luxembourg Sandstone 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 Luxembourg Sandstone rather than just read about it. In short: The Luxembourg Sandstone (French: Grès de Luxembourg) is a geologic formation in Luxembourg. It exists along the eastern margin of the Paris Basin.

Key takeaways

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

Reference excerpt

The Luxembourg Sandstone (French: Grès de Luxembourg) is a geologic formation in Luxembourg. It exists along the eastern margin of the Paris Basin. Sandstone units continuous with the Luxembourg Sandstone also occur in France. It is Early Jurassic in age. It predominantly outcrops in a belt extending through south-central Luxembourg. It up to 100 metres thick and predominantly consists of carbonaceous poorly cemented sandstone and sandy limestone

Fossil content Among others, the following fossils were reported from the formation:

Reptiles Ichthyosaurus communis Temnodontosaurus sp. Neotheropoda indet. Plesiosauria indet. cf. Theropoda indet. Fish Halonodon luxembourgensis Hybodontidae indet. Gastropods Angulariopsis nivernensis Bourguetia bipartita Brouchilda laevigata B. mulleri Globularia delsatei Globulocerithium gallaense Kaimella tenuilineata Microschiza pauciornata Oonia feidtorum O. haasi Pleurotomaria cognata P. hennocquii P. hettangiensis P. wanderbachi Ptychomphalus caepa P. wehenkeli Scurriopsis (Hennocquia) hettangiensis Scurriopsis (Scurriopsis) schmidti Tangarilda darestei Trochotoma clypeus Turritelloidea? bockfielsensis

See also List of fossiliferous stratigraphic units in Luxembourg

References

Bibliography D. Delsate and M. D. Ezcurra. 2014. The first Early Jurassic (late Hettangian) theropod dinosaur remains from the Grand Duchy of Luxembourg. Geologica Belgica 17(2):175-181 S. Monari, M. Valentini, and M. A. Conti. 2011. Earliest Jurassic patellogastropod, vetigastropod, and neritimorph gastropods from Luxembourg with considerations on the Triassic–Jurassic faunal turnover. Acta Palaeontologica Polonica 56:349-384 P. Godefroit. 1995. Un crâne d'Ichthyosaurus communis (Reptilia, Ichthyosauria) du Sinémurien supérieur de Lorraine belge. Bulletin de Société belge de Géologie 104(1–2):77-89 G. Bloos. 1994. Frühe Arietitidae (Ammonoidea) aus dem Hettangium (Angulata-Zone, Unt. Lias) von Württemberg (SW-Deutschland). Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie) 219:1-67 C. J. Duffin and D. Delsate. 1993. A new myriacanthid holocephalan (Chondrichthyes) from the Early Jurassic of Luxembourg. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 1993(11):669-680

Further reading H. Meier and K. Meiers. 1988. Die Gastropodenfauna der "Angulata-Zone" des Steinbruchs "Reckingerwald" bei Brouch. Travaux Scientifiques du Musée National d'Histoire Naturelle de Luxembourg 13:1-88

Illustrations

Worked examples

Example 1 — a first encounter with Luxembourg Sandstone

Start with the simplest possible case. Write down what Luxembourg Sandstone 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 Luxembourg Sandstone 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 Luxembourg Sandstone 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 Luxembourg Sandstone

In research: Luxembourg Sandstone 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 Luxembourg Sandstone 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: Luxembourg Sandstone is common in secondary-school and first-year university syllabi. It links to neighbouring topics Early Jurassic Europe, Geology of Luxembourg, Hettangian Stage, so understanding it makes those chapters shorter.
In everyday life: Look for Luxembourg Sandstone 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 Luxembourg Sandstone in 20 minutes

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

Frequently asked questions

What is Luxembourg Sandstone in simple terms?

The Luxembourg Sandstone (French: Grès de Luxembourg) is a geologic formation in Luxembourg. It exists along the eastern margin of the Paris Basin.

Why does Luxembourg Sandstone 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 Luxembourg Sandstone?

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 Luxembourg Sandstone.