science

Hoshikuso Pass obsidian mine site

Hoshikuso Pass obsidian mine site 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 Hoshikuso Pass obsidian mine site rather than just read about it. In short: The Hoshikuso Pass obsidian mine ruins (星糞峠黒曜石原産地遺跡, Hoshikuso-tōge kokuyōseki gensanchi iseki) is an archaeological site consisting of shallow pits from which obsidian had been mined during the Jōmon period. It is located in the Daimon neighborhood of the town of Nagawa in the Chūbu region Japan.

Key takeaways

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Connect Hoshikuso Pass obsidian mine site to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Hoshikuso Pass obsidian mine site from memory before moving on to harder problems.

Reference excerpt

The Hoshikuso Pass obsidian mine ruins (星糞峠黒曜石原産地遺跡, Hoshikuso-tōge kokuyōseki gensanchi iseki) is an archaeological site consisting of shallow pits from which obsidian had been mined during the Jōmon period. It is located in the Daimon neighborhood of the town of Nagawa in the Chūbu region Japan. It has been protected as a National Historic Site since 2001.

Overview The Hoshikuso Pass is located northwest of Mount Kirigamine and northeast of Lake Suwa, in an area where numerous Japanese Paleolithic remains have been found. Obsidian, or hoshikuso (literally "star-shit") as it was known in the local dialect, was frequently used for stone tools and weapons in the Paleolithic and Jōmon periods as it could be easily fractured by lithic reduction to produce sharp blades or arrowheads. Obsidian occurs in certain volcanic formation around Japan, and obsidian artifacts from Nagano Prefecture have been found widely distributed to many distant regions of Japan, indicating that some form of long distance trade has existed even from the Paleolithic period. The Hoshikuso Pass obsidian mine site is located at an elevation of 500 to 1500 meters, with the obsidian distributed all over the slope in a 220-meter north-to-south by 300 meter east-to-west orientation. Within this area archaeologists have found numerous crater-shaped shallow indentations, each about ten meters in diameter and two to three meters in depth. Some craters overlap, and others have their sides reinforced with embossed stones and debris. The site also contains the remains of a workshop with a hearth, and numerous fragments and lithic cores and shards created by the knapping of obsidian into stone tools. It is not possible to accurately establish the dates during which the site was used, but it is estimated that it was functional since the earliest Jōmon period to the final Jōmon period.

The area is open to the public as a historic park with a walkway and explanatory placards. At the foot of the pass is the Obsidian Experience Museum (黒耀石体験ミュージアム, Kokuyōseki taiken myūjiamu) operated by Nagawa Town, in connection with the Obsidian Research Center of Meiji University, which opened in 2004. It is approximately one hour by car from Chino Station on the JR East Chūō Main Line.

See also List of Historic Sites of Japan (Nagano)

References

External links Nagawa town official site (in Japanese) phamplet by Nagano Prefectural Government(in Japanese) Obsidian Experience Museum(in Japanese)

Worked examples

Example 1 — a first encounter with Hoshikuso Pass obsidian mine site

Start with the simplest possible case. Write down what Hoshikuso Pass obsidian mine site 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 Hoshikuso Pass obsidian mine site 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 Hoshikuso Pass obsidian mine site 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 Hoshikuso Pass obsidian mine site

In research: Hoshikuso Pass obsidian mine site 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 Hoshikuso Pass obsidian mine site 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: Hoshikuso Pass obsidian mine site is common in secondary-school and first-year university syllabi. It links to neighbouring topics Historic Sites of Japan, History of Nagano Prefecture, Jōmon period sites, so understanding it makes those chapters shorter.
In everyday life: Look for Hoshikuso Pass obsidian mine site 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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Frequently asked questions

What is Hoshikuso Pass obsidian mine site in simple terms?

Why does Hoshikuso Pass obsidian mine site 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 Hoshikuso Pass obsidian mine site?

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 Hoshikuso Pass obsidian mine site.