engineering

Megalith

Megalith is a engineering 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 Megalith rather than just read about it. In short: A megalith is a large stone that has been used to construct a prehistoric structure or monument, either alone or together with other stones. They are found worldwide, but more than 35,000 megalithic structures have been identified across Europe, ranging geographically from Sweden in the north to the Mediterranean Sea in the south.

Key takeaways

Megalith belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Megalith to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Megalith from memory before moving on to harder problems.

Reference excerpt

A megalith is a large stone that has been used to construct a prehistoric structure or monument, either alone or together with other stones. They are found worldwide, but more than 35,000 megalithic structures have been identified across Europe, ranging geographically from Sweden in the north to the Mediterranean Sea in the south. The word was first used in 1849 by the British antiquarian Algernon Herbert in reference to Stonehenge and derives from Ancient Greek μέγας (mégas), meaning "great", and λίθος (líthos), meaning "stone". Most extant megaliths were erected between the Neolithic period (although earlier Mesolithic examples are known) through the Chalcolithic period and into the Bronze Age.

Types and definitions

While "megalith" is often used to describe a single piece of stone, it also can be used to denote one or more rocks hewn in definite shapes for special purposes. It has been used to describe structures built by people from many parts of the world living in many different periods. The most widely known megaliths are not tombs.

Single stones

Menhir Menhir is the name used in Western Europe for a single upright stone erected in prehistoric times; sometimes called a "standing stone". Monolith A monolith is any single standing stone erected in prehistoric times. Capstone style Single megaliths placed horizontally, often over burial chambers, without the use of support stones.

Multiple stones Alignments Multiple megaliths placed in relation to each other with intention. Often placed in rows or spirals. Some alignments, such as the Carnac Stones in Brittany, France, consist of thousands of stones. Megalithic walls Also called Cyclopean walls Stone circles In most languages stone circles are called "cromlechs" (a word in the Welsh language); the word "cromlech" is sometimes used with that meaning in English. Dolmen A dolmen is a stone table, consisting of a wide stone supported by several other stones Usually these were originally covered with earth and vegetation to form a mound with an accessible chamber beneath. Cist A cist is a small stone-built coffin-like box or ossuary used to hold the bodies of the dead. Burials are megalithic forms very similar to dolmens in structure. These types of burials were completely underground.

Timeline

Neolithic

c. 9000 BC: Constructions in Asia Minor, Turkey (Göbekli Tepe, Nevalı Çori and other sites); a yet to be named culture (the oldest discovered ceremonial structures in the world). c. 7400 BC: A 12 m long monolith probably weighing around 15,000 kg found submerged 40 m under water in the Strait of Sicily south-west of Sicily. Its origin and purpose are unknown. c. 7000 BC: Construction in proto-Canaanite Israel (Atlit Yam). c. 6000 BC: Constructions in Portugal (Almendres Cromlech, Évora) – Possibly first standing stones in Portugal. c. 5000 BC: Emergence of the Atlantic Neolithic period, the age of agriculture along the western shores of Europe during the sixth millennium BC pottery culture of La Almagra, Spain nearby, perhaps precedent from Africa. c. 4800 BC: Constructions in Brittany, France (Barnenez) and Poitou (Bougon). c. 4500 BC: Constructions in south Egypt (Nabta Playa). c. 4300 BC: Constructions in south Spain (Dolmen de Alberite, Cádiz). c. 4300 BC: Kuyavian Pyramids, known as Polish Pyramids, enormous tombs, megalithic structures in Kuyavia, Poland c. 4000 BC: Constructions in Brittany (Carnac), Portugal (Great Dolmen of Zambujeiro, Évora), France (central and southern), Corsica, Spain (Galicia), England and Wales, Constructions in Andalusia, Spain (Villa Martín, Cádiz), Construction in proto-Canaanite Israel c. 4000~3000 BC: Constructions in the rest of the proto-Canaanite Levant, e.g. Rujm el-Hiri and dolmens. c. 3700 BC: Constructions in Ireland (Knockiveagh and elsewhere). c. 3600 BC: Constructions in Malta (Skorba temples). c. 3600 BC: Constructions in England (Maumbury Rings and Godmanchester), and Malta (Ġgantija and Mnajdra temples). c. 3500 BC: Constructions in Spain (Málaga and Guadiana), Ireland (south-west), France (Arles and the north), Malta (and elsewhere in the Mediterranean), Belgium (north-east), and Germany (central and south-west). c. 3400 BC: Constructions in Sardinia (circular graves), Ireland (Newgrange), Netherlands (north-east), Germany (northern and central) Sweden and Denmark. c. 3300 BC: Constructions in France (Carnac stones) c. 3200 BC: Constructions in Malta (Ħaġar Qim and Tarxien). c. 3100 BC: Constructions in Russia (Dolmens of North Caucasus) c. 3000 BC: Constructions in Sardinia (earliest construction phase of the prehistoric altar of Monte d'Accoddi), France (Saumur, Dordogne, Languedoc, Biscay, and the Mediterranean coast), Spain (Los Millares), Sicily, Belgium (Ardennes), and Orkney, as well as the first henges (circular earthworks) in Britain.

Chalcolithic

c. 2500 BC: Constructions in Brittany (Le Menec, Kermario and elsewhere), Italy (Otranto), Sardinia, and Scotland (northeast), plus the climax of the megalithic Bell-beaker culture in Iberia, Germany, and the British Isles (stone circle at Stonehenge). With the bell-beakers, the Neolithic period gave way to the Chalcolithic, the age of copper. c. 2500 BC: Tombs at Algarve, Portugal. Additionally, a problematic dating (by optically stimulated luminescence) of Quinta da Queimada Menhir in western Algarve indicates "a very early period of megalithic activity in the Algarve, older than in the rest of Europe and [similar to] the famous Anatolian site of Göbekli Tepe" c. 2400 BC: The Bell-beaker culture was dominant in Britain, and hundreds of smaller stone circles were built in the British Isles at this time.

Stone Age c. 2100 BC:The highest plateau Lampung, West Lampung Regency, Batu Brak Liwa, Indonesia Megalith Site.

Bronze Age

c. 2000 BC: Constructions in Brittany (Er Grah), Italy : (Bari); Sicily (Cava dei Servi, Cava Lazzaro);, and Scotland (Callanish). The Chalcolithic period gave way to the Bronze Age in western and northern Europe. c. 1800 BC: Constructions in Italy (Giovinazzo, in Sardinia started the Nuragic civilisation). c. 1500 BC: Constructions in Portugal (Alter Pedroso and Mourela). c. 1400 BC: Burial of the Egtved Girl in Denmark, whose body is today one of the best-preserved examples of its kind. c. 1200 BC: Last vestiges of the megalithic tradition in the Mediterranean and elsewhere following the Bronze Age Collapse. Megalithic construction persisted in Egypt into the Iron Age.

Geographic distribution of megaliths

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with Megalith

Start with the simplest possible case. Write down what Megalith claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Megalith 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 Megalith 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 Megalith

In research: Megalith appears in engineering 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 Megalith 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: Megalith is common in secondary-school and first-year university syllabi. It links to neighbouring topics Burial monuments and structures, Megalithic monuments, Sacred rocks, so understanding it makes those chapters shorter.
In everyday life: Look for Megalith 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 Megalith in 20 minutes

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

Frequently asked questions

What is Megalith in simple terms?

Why does Megalith matter?

Because it connects several engineering 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 Megalith?

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 Megalith.