earth science

List of geological faults of Wales

List of geological faults of Wales 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 List of geological faults of Wales rather than just read about it. In short: This is a list of the named geological faults affecting the rocks of Wales. See the main article on faults for a fuller treatment of fault types and nomenclature but in brief, the main types are normal faults, reverse faults, thrusts or thrust faults and strike-slip faults.

Key takeaways

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

Reference excerpt

This is a list of the named geological faults affecting the rocks of Wales. See the main article on faults for a fuller treatment of fault types and nomenclature but in brief, the main types are normal faults, reverse faults, thrusts or thrust faults and strike-slip faults. Many faults may have acted as both normal faults at one time and as reverse or thrust faults at another and may or may not have also incorporated some degree of strike-slip movement too. Fault zones, fault belts and fault complexes typically describe assemblages of faults which have a common origin and history and whose alignments tend to be sub-parallel to one another. There are also a number of 'disturbances', notably in South Wales. These linear features are a combination of faults and folds - the relative importance of faulting and folding varying along the length of each disturbance.

Key to tables Column 1 indicates the name of the fault. Note that different authors may use different names for the same fault or a section of it. Conversely the same name may be applied to more than one fault, particularly in the case of smaller faults which are widely separated. Names are as they appear in the literature and do not necessarily conform to the commonly accepted modern spelling or form of the place-names with which they are associated. Column 2 indicates the OS grid reference of the approximate midpoint of certain faults. Note that the mapped extent of a fault may not accurately reflect its actual extent. Column 3 indicates the county in which the fault occurs. Some traverse two or more counties of course. Column 4 indicates on which sheet, if any, of the British Geological Survey's 1:50,000 / 1" scale geological map series of England and Wales, the fault is shown and named (either on map/s or cross-section/s or both). Also listed are a handful of BGS maps at other scales, where the fault is both shown and named. Column 5 indicates a selection of publications in which references to the fault may be found. See references section for full details of publication.

Alphabetical lists of faults

I, J, K

P, Q

U, V

W, X, Y, Z

List of Disturbances The following named features comprise both faulting and folding;

See also List of geological faults of England List of geological faults of Northern Ireland List of geological faults of Scotland List of geological folds in Great Britain Geological structure of Great Britain

References

Maps 1:625,000 scale geological map 2007, Bedrock Geology UK South, British Geological Survey, Keyworth, Notts (UK (south) 625K) 1:250,000 scale geological map Mid Wales and the Marches, British Geological Survey, Keyworth, Notts (MW & M 250K) various of 1:50,000 scale geological maps of England and Wales, British Geological Survey, Keyworth, Notts (E & W no.) 1:25,000 scale sheet Usk - Cwmbran in Classic Areas of British Geology series, British Geological Survey, Keyworth, Notts (Usk-Cwm: 25K)

Books Barclay, W.J. 1989 Geology of the South Wales Coalfield Part II, the country around Abergavenny, 3rd edition. Mem Br. Geol. Surv. sheet 232 (England and Wales) (Mem E&W 232) Brenchley, PJ & Rawson, PF (eds) 2006. The Geology of England and Wales, (2nd edn) The Geological Society, London (Brenchley & Rawson 2006) Cave, R. & Hains, B.A, 2001 Geology of the country around Montgomery and the Ordovician rocks of the Shelve area Memoir of the British Geological Survey. Sheet 165 with part of sheet 151 (Welshpool) (England and Wales).(Mem E&W 165/151) Smith et al. 2005 Structure & Evolution of the south-west Pennine Basin and adjacent area. Subsurface memoir of the British Geological Survey. (Smith et al. 2005) Toghill, P 2006 Geology of Shropshire (2nd edn) Crowood Press, Wilts (Toghill P 2006) Warren et al. 1984, Geology of the country around Rhyl and Denbigh, Mem Br Geol Svy, sheets 95 and 107 (Mem E&W 95/107) Welch, FBA & Trotter, FM 1961 Geology of the Country around Monmouth and Chepstow, HMSO (explanation of 1" geol. sheets 233 & 250 (England and Wales) (Welch, FBA & Trotter, FM 1961)

Worked examples

Example 1 — a first encounter with List of geological faults of Wales

Start with the simplest possible case. Write down what List of geological faults of Wales 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 List of geological faults of Wales 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 List of geological faults of Wales 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 List of geological faults of Wales

In research: List of geological faults of Wales 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 List of geological faults of Wales 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: List of geological faults of Wales is common in secondary-school and first-year university syllabi. It links to neighbouring topics Geology of Wales, Seismic faults of the United Kingdom, Structural geology, so understanding it makes those chapters shorter.
In everyday life: Look for List of geological faults of Wales 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 List of geological faults of Wales in simple terms?

Why does List of geological faults of Wales 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.

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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.

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