earth science

Ljudmila Dolar Mantuani

Ljudmila Dolar Mantuani 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 Ljudmila Dolar Mantuani rather than just read about it. In short: Ljudmila Dolar Mantuani (5 July 1906 Celje, Slovenia – 22 September 1988 Toronto, Canada) was a Slovenian petrologist (a rock scientist). She was the first female assistant professor of petrography in Yugoslavia.

Key takeaways

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Reference excerpt

Ljudmila Dolar Mantuani (5 July 1906 Celje, Slovenia – 22 September 1988 Toronto, Canada) was a Slovenian petrologist (a rock scientist). She was the first female assistant professor of petrography in Yugoslavia.

Life and work Dolar Mantuani graduated from the University of Ljubljana in Slovenia in 1929 and received her doctorate there in 1935. After graduation, she taught at a grammar school. In 1940, she was named assistant professor of petrography and optical exploration of minerals and rocks at the University of Ljubljana. According to Mojca Smolej in 2019, a professor at the same university, "As early as 1940, this faculty got the first female assistant professor of petrography in the Kingdom of Yugoslavia: Ljudmila Dolar-Mantuani, whose unfortunate fate after the war forced her to live in exile in the US, where she built many dams." Dolar Mantuani furthered her studies at the universities of Zagreb, Croatia, Rome, Italy, Vancouver, Canada and Essen, Germany. She later became a research fellow at the University of British Columbia in Vancouver and a scientific adviser at the Hydroelectric Power Commission of Ontario in Toronto. After 1971, she worked as an independent researcher for several Canadian private and government institutions. In papers that Dr. Dolar Mantuani authored after her move to North America, she is published with a slight change to the spelling of her name from Ljudmila to Ludmila Dolar-Mantuani (with hyphen added).

Early research Dolar Mantuani published an estimated 70 discussions and articles on mineralogy and petrology of Slovenia, Austria and Canada. Important to her early work were her explorations of the depths of Pohorje and tertiary tuffs at Peračica in the Upper Carniola region in Slovenia.

Concrete research After moving to North America, Dolar-Mantuani was widely published in the area of concrete technology and the factors pertaining to the quality of the aggregate (stones and other materials used when mixing the concrete that can have physical or chemical characteristics that might harm the quality of the finished product). In one of her papers, she discussed the significance of five quality tests of potential aggregate (paraphrased below). One is a test for soundness (the ASTM Test for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate) to determine the overall quality of the aggregate. The other four tests can help determine the presence of harmful particles or substances that might influence the fresh concrete when it is mixed or in its early stage of hardening. These harmful substances might also damage the concrete surface under specific circumstances.

Selected publications Dolar Mantuani, Ljudmila. Das Verhältnis des Aplite zu den Tonaliten im Massiv des Pohorje (bachergebirges). Slovenia, L. Dolar-Mantuani, 1934. Dolar-Mantuani, Ludmila. Petrography and Utilization of Paleozoic, Middle Ordovician Carbonate Rocks in Southern Ontario. Canada, Ministry of Natural Resources, 1975. Dolar-Mantuani, Ludmila. Handbook of concrete aggregates: a petrographic and technological evaluation. United States, Noyes Publications, 1983.

References

Illustrations

Worked examples

Example 1 — a first encounter with Ljudmila Dolar Mantuani

Start with the simplest possible case. Write down what Ljudmila Dolar Mantuani 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 Ljudmila Dolar Mantuani 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 Ljudmila Dolar Mantuani 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 Ljudmila Dolar Mantuani

In research: Ljudmila Dolar Mantuani 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 Ljudmila Dolar Mantuani 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: Ljudmila Dolar Mantuani is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1906 births, 1988 deaths, 20th-century Canadian women scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Ljudmila Dolar Mantuani 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 Ljudmila Dolar Mantuani in 20 minutes

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Frequently asked questions

What is Ljudmila Dolar Mantuani in simple terms?

Why does Ljudmila Dolar Mantuani 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 Ljudmila Dolar Mantuani?

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 Ljudmila Dolar Mantuani.