earth science

Haymet Rocks

Haymet Rocks 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 Haymet Rocks rather than just read about it. In short: The Haymet Rocks were reported by J.E. Haymet, master and owner of the cutter Will Watch, when on passage between Auckland and Rarotonga; in 1863 the cutter passed between two rocks and struck on the northern of the two, damaging her false keel.

Key takeaways

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

Reference excerpt

The Haymet Rocks were reported by J.E. Haymet, master and owner of the cutter Will Watch, when on passage between Auckland and Rarotonga; in 1863 the cutter passed between two rocks and struck on the northern of the two, damaging her false keel. The rocks are said to extend over a space of about a quarter of a mile, to have been distinctly seen, and with apparently 7 or 8 feet (2.1 or 2.4 m) of water over them. Haymet gave their position as 27°11′S 160°13′W, which would place them about 135 miles (217 km) west of the position assigned to Orne Bank. These rocks were unsuccessfully searched for, in the position given, by HMS Satellite in 1886, and again by the French Government vessel Fabert in 1887; the latter vessel spent three days in the search under favourable circumstances of wind and weather, running over some 253 miles (407 km) within a radius of from 20 to 25 miles (32 to 40 km) of the position assigned, and with no result. A depth of 68 fathoms (124 m) to the rocky ocean floor was found by the Fabert at 24°7′S 158°33′W. In December 1882, however, a Lloyd's agent at Rarotonga reported that the Haymet rocks were supposed to exist about 150 miles (240 km) SSW of Rarotonga, and therefore right in the track of vessels bound from Auckland to that island, who always give this supposed position a wide berth. If this information is correct, these rocks are about 240 miles (390 km) NNW of the position as given by Haymet and still shown on the charts. It was suggested that the Haymet Rocks were a remnant of sunken island Tuanaki.

Notes

This article incorporates text from Pacific Islands, v. 3, a publication from 1900, now in the public domain in the United States.

Illustrations

Worked examples

Example 1 — a first encounter with Haymet Rocks

Start with the simplest possible case. Write down what Haymet Rocks 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 Haymet Rocks 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 Haymet Rocks 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 Haymet Rocks

In research: Haymet Rocks 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 Haymet Rocks 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: Haymet Rocks is common in secondary-school and first-year university syllabi. It links to neighbouring topics Phantom islands, Reefs of the Pacific Ocean, so understanding it makes those chapters shorter.
In everyday life: Look for Haymet Rocks 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 Haymet Rocks in 20 minutes

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

Frequently asked questions

What is Haymet Rocks in simple terms?

Why does Haymet Rocks 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 Haymet Rocks?

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 Haymet Rocks.