earth science

Margaret Bradshaw

Margaret Bradshaw 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 Margaret Bradshaw rather than just read about it. In short: Margaret Ann Bradshaw (née Cresswell; born 31 December 1941) is a New Zealand geologist and a retired staff member at the University of Canterbury. She is considered a trailblazer and influential female role model in Antarctic research.

Key takeaways

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

Reference excerpt

Margaret Ann Bradshaw (née Cresswell; born 31 December 1941) is a New Zealand geologist and a retired staff member at the University of Canterbury. She is considered a trailblazer and influential female role model in Antarctic research.

Early life and education Born Margaret Ann Cresswell in Nottingham, England, on 31 December 1941, she married John Dudley Bradshaw in Nottingham in 1963, and they moved to Christchurch, New Zealand, in 1966. Bradshaw began her work there on Devonian invertebrate palaeontology, gradually incorporating Antarctica into her research. She became a naturalised New Zealand citizen in 1980.

Career and impact Bradshaw focused her research on the structure and stratigraphy of Devonian rocks, around 400 million years old, in New Zealand and Antarctica. Specifically she worked on the development and relationship of Paleozoic terrains in New Zealand, as well as the paleobiogeography of Devonian Bivalves and the Paleontology and environmental significance of Paleozoic Trace fossils in both New Zealand, Antarctica and Australia. Bradshaw was a curator at the Canterbury Museum and her initial trips to Antarctica were to collect fossils and rocks for the Antarctic display. Bradshaw was the curator of Geology at the Canterbury Museum for 17 years. Her first trip to Antarctica was from 1975 to 1976 to collect specimens for the museum's Antarctic Hall. Bradshaw was the first woman to lead an Antarctic deep field party in her 1979 to 1980 field season to the remote Ohio Range and she was the first to discover new fish fossils in the exposures of the Cook Mountains in her 1988 to 1989 field season. Bradshaw was the president of the New Zealand Antarctic Society for 10 years until 2003. She is a member of the Association of Australian Paleontologists.

Awards and honours Bradshaw is the second woman to win the Queen's Polar Medal, and the first New Zealand woman to be awarded this medal, in 1993. She received the Royal Society of New Zealand Science & Technology Medal in 1994. Bradshaw is a New Zealand Antarctic Society Life Member, nominated in 2006. In 2017, Bradshaw was selected as one of the Royal Society Te Apārangi's "150 women in 150 words", celebrating the contributions of women to knowledge in New Zealand. Bradshaw Peak, situated on the south west side of the McLay Glacier in Antarctica, is named in her honour.

Later life Bradshaw's husband, John Bradshaw, died in 2025.

References

Illustrations

Worked examples

Example 1 — a first encounter with Margaret Bradshaw

Start with the simplest possible case. Write down what Margaret Bradshaw 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 Margaret Bradshaw 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 Margaret Bradshaw 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 Margaret Bradshaw

In research: Margaret Bradshaw 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 Margaret Bradshaw 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: Margaret Bradshaw is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1941 births, 20th-century British women scientists, 20th-century New Zealand geologists, so understanding it makes those chapters shorter.
In everyday life: Look for Margaret Bradshaw 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 Margaret Bradshaw in 20 minutes

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

Frequently asked questions

What is Margaret Bradshaw in simple terms?

Why does Margaret Bradshaw 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 Margaret Bradshaw?

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 Margaret Bradshaw.