earth science

Hidden Lake Formation

Hidden Lake Formation 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 Hidden Lake Formation rather than just read about it. In short: The Hidden Lake Formation is a Late Cretaceous geologic formation in Antarctica. The sandstones and siltstones of the formation were deposited in a deltaic environment.

Key takeaways

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

Reference excerpt

The Hidden Lake Formation is a Late Cretaceous geologic formation in Antarctica. The sandstones and siltstones of the formation were deposited in a deltaic environment. Indeterminate megalosaur remains have been recovered from it. Also many plant fossils and ichnofossils of Planolites sp. and Palaeophycus sp. have been found in the formation.

Paleofauna Megalosauroidea indet. Palaeophycus sp. Planolites sp.

Flora Antarctoxylon mixai Dicotylophyllum Elatocladus cf. heterophylla Lygodium sp. Microphyllopteris sp.

See also List of dinosaur-bearing rock formations List of stratigraphic units with indeterminate dinosaur fossils List of fossiliferous stratigraphic units in Antarctica Snow Hill Island Formation

References

Further reading V. D. Barreda, S. Palamarczuk, and F. Medina. 1999. Palinología de la Formación Hidden Lake (Coniaciano-Santoniano), Isla James Ross, Antártida. Revista Española de Micropaleontología (31)53-72 R. E. Molnar, A. L. Angriman, and Z. Gasparini. 1996. An Antarctic Cretaceous theropod. Memoirs of the Queensland Museum 39(3):669-674 D. Néraudeau, A. Crame, and M. Kooser. 2000. Upper Cretaceous echinoids from James Ross Basin, Antarctica. Géobios 33(4):455-466

Illustrations

Worked examples

Example 1 — a first encounter with Hidden Lake Formation

Start with the simplest possible case. Write down what Hidden Lake Formation 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 Hidden Lake Formation 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 Hidden Lake Formation 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 Hidden Lake Formation

In research: Hidden Lake Formation 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 Hidden Lake Formation 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: Hidden Lake Formation is common in secondary-school and first-year university syllabi. It links to neighbouring topics Coniacian Stage, Cretaceous System of Antarctica, Deltaic deposits, so understanding it makes those chapters shorter.
In everyday life: Look for Hidden Lake Formation 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 Hidden Lake Formation in 20 minutes

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

Frequently asked questions

What is Hidden Lake Formation in simple terms?

The Hidden Lake Formation is a Late Cretaceous geologic formation in Antarctica. The sandstones and siltstones of the formation were deposited in a deltaic environment.

Why does Hidden Lake Formation 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 Hidden Lake Formation?

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 Hidden Lake Formation.