earth science

Heinrich Ries

Heinrich Ries 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 Heinrich Ries rather than just read about it. In short: Heinrich Ries (April 30, 1871 – April 11, 1951) was an American economic geologist, born in Brooklyn, New York, and educated at Columbia University and at the University of Berlin. He was employed principally at Cornell University, initially as an instructor (1898–1902), as an assistant professor (1902–1905), as professor, and as head of the geological department (1915- ).

Key takeaways

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

Reference excerpt

Heinrich Ries (April 30, 1871 – April 11, 1951) was an American economic geologist, born in Brooklyn, New York, and educated at Columbia University and at the University of Berlin. He was employed principally at Cornell University, initially as an instructor (1898–1902), as an assistant professor (1902–1905), as professor, and as head of the geological department (1915- ). Professor Ries made numerous reports on clay published by the United States Geological Survey, the New York State Geological Survey and the Canadian Geological Survey. His first wife, Millie Timmerman Ries, a botanist and scientific illustrator who collaborated with Elizabeth Britton and Anna Murray Vail, died in 1942. He remarried in 1948, but his second wife, Mrs. Adelyn Halsy Gregg Ries, died early in 1950. He had two sons with his first wife Millie, Professor Victor H. Reis of Ohio State University, and Professor Donald T. Ries of Illinois State Normal University. Ries was president of the Geological Society of America in 1929.

Publications Clay Deposits and Clay Industry in North Carolina: A Preliminary Report (1897) Clays and Shales of Michigan: Their Properties and Uses (1900) Economic Geology of the United States (1905; third edition, revised, 1911) Clays: Their Occurrence, Properties, and Uses (1906, second edition, 1908) Clays of Texas (1908) History of Clay-Working Industry in the United States (1909), with Henry Leighton Building Stones and Clay Products: A Handbook for Architects (1912) Engineering Geology (1914; second edition, revised, 1915)

References

External links

Works by or about Heinrich Ries at the Internet Archive Guide to the Heinrich Ries Papers, 1889-1951 - Cornell University Library

Illustrations

Worked examples

Example 1 — a first encounter with Heinrich Ries

Start with the simplest possible case. Write down what Heinrich Ries 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 Heinrich Ries 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 Heinrich Ries 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 Heinrich Ries

In research: Heinrich Ries 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 Heinrich Ries 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: Heinrich Ries is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1871 births, 1951 deaths, American geologists, so understanding it makes those chapters shorter.
In everyday life: Look for Heinrich Ries 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 Heinrich Ries in 20 minutes

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

Frequently asked questions

What is Heinrich Ries in simple terms?

Why does Heinrich Ries 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 Heinrich Ries?

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 Heinrich Ries.