astronomy

Ned Mamula

Ned Mamula is a astronomy 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 Ned Mamula rather than just read about it. In short: Ned Mamula is a geoscientist and economic geologist who has served since 2025 as the 19th director of the U.S. Geological Survey (USGS).

Key takeaways

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

Reference excerpt

Ned Mamula is a geoscientist and economic geologist who has served since 2025 as the 19th director of the U.S. Geological Survey (USGS). Prior to his directorship of the Geological Survey, Mamula held roles within the U.S. federal government as well as in the critical minerals industry. From 2023 to 2025, he was employed by GreenMet, a private company focused on mineral mining and processing. He also formerly served as an adjunct scholar at the Cato Institute, and has worked in the U.S. Department of Energy and Central Intelligence Agency. Mamula is a native of Pittsburgh, Pennsylvania, and worked as a steelworker there before attending Slippery Rock University, from which he received a Bachelor of Science degree in geosciences. He later attained a Master of Science in structural and economic geology from Penn State University, another master’s degree in international public policy from Johns Hopkins University, and a Ph.D. in geology and geophysics from Texas A&M University. He serves on the alumni advisory board of Penn State's geosciences department. He began working for the USGS in the 1970s and later found employment at the Department of Energy and Central Intelligence Agency, serving at the latter as a geoscientist and intelligence analyst. He became the chief geologist of GreenMet, which provides financing and infrastructure for projects in the minerals industry, in 2023. In February 2025, the U.S. Senate received a nomination from President Donald Trump for Mamula to direct the USGS. In an interview with E&E News later that month, Mamula stated that he hoped to add uranium, copper, and potash to the federal government's critical minerals list and decrease American dependence on China and other foreign powers for minerals. His appointment as USGS director was confirmed by the Senate on October 7, 2025. According to further reporting from E&E News, one senator, Martin Heinrich, who voted against Mamula's nomination, was concerned about his "track record of spreading disinformation and conspiracy theories". Under Mamula as USGS director, the Department of the Interior released an updated list of critical minerals, adding ten minerals not included in the previous years—including uranium, copper, and potash—to the list. In his role as director, Mamula has also advocated for shortening the permitting process for mining in order to reduce the amount of minerals the United States must import from China and Russia.

References

Illustrations

Worked examples

Example 1 — a first encounter with Ned Mamula

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

In research: Ned Mamula appears in astronomy 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 Ned Mamula 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: Ned Mamula is common in secondary-school and first-year university syllabi. It links to neighbouring topics American businesspeople in mining, American geologists, Analysts of the Central Intelligence Agency, so understanding it makes those chapters shorter.
In everyday life: Look for Ned Mamula 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 Ned Mamula in 20 minutes

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

Frequently asked questions

What is Ned Mamula in simple terms?

Ned Mamula is a geoscientist and economic geologist who has served since 2025 as the 19th director of the U.S. Geological Survey (USGS).

Why does Ned Mamula matter?

Because it connects several astronomy 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 Ned Mamula?

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 Ned Mamula.