vulcanologist

vulcanologists (plural)
volcanologist (alternative)

Latin Vulcan, Roman god of fire + ologist.


volcanologist

volcanologists (plural)
vulcanologist (alternative)

2006, “A submerged island discovered off the coast of Sicily forms part of a vast underwater volcano, according to new research unveiled by Italian volcanoligists”, in Weekend Argus 24 June 2006.:

One who is skilled in, professes or practices volcanology.


seismologist

A person who is skilled at, professes, or practices seismology.


geologist

/d͡ʒiˈɑːlədʒɪst/

A person whose occupation specializes in the science of geology, especially at a professional or academic level.

جِيُولُوجِيّ

person whose occupation specializes in geology


pedologist

A scientist who studies origins, composition and distribution of soils and the materials from which soils are formed.


soil scientist

A scientist who studies soil as a component of natural and man-made systems.


paleontologist

paleontologists (plural)
palaeontologist (alternative)
palæontologist (alternative)

An alternative approach is to break down cultures into ab-
 stract elements and to establish, between elements of the same
 type in different cultures, rather than between cultures themselves,
 the same kind of relationships of historical descent and progressive
 differentiation which the paleontologist sees in the evolution of
 species.

1963, Claude Lévy-Strauss, Structural Anthropology, New York: Basic Books, page 4:

In the late nineteenth century, paleontologists began to catalog the many curious correspondences exhibited by fossils gathered on different continents.

2014, Elizabeth Kolbert, The Sixth Extinction: An Unnatural History, Picador, →ISBN, page 197:


wellsite geologist

en-noun

wellsite geologist (plural wellsite geologists)

A geologist who analyzes samples from an oil well as it is being drilled and reports on hydrocarbon content etc.


geophysicist

Yevgeny K. Fedorov, one of the Soviet Union's leading geophysicists, died Wednesday, Tass, the official press agency, reported today. He was 71 years old.

1982 January 3, Reuters, “YEVGENY FEDOROV, AGED 71; A MAJOR SOVIET GEOPHYSICIST”, in The New York Times:

“The lack of an agreement to phase out fossil fuels was devastating,” said Prof Michael Mann, a climatologist and geophysicist at the University of Pennsylvania in the US.

2023 December 14, Damian Carrington, quoting Michael E. Mann, “Failure of Cop28 on fossil fuel phase-out is ‘devastating’, say scientists”, in The Guardian, →ISSN:

A physicist who specializes in geophysics.


petrologist

As Kirkpatrick worked, Otto Hahn - an intensely patriotic German lawyer and amateur petrologist turned Swedenborgian who believed life originated in outer space - was spending long hours staring down his microscope at what he took to be the fossilised remnants of algae.

2018, Tim Flannery, Europe: A Natural History, page 76:

A geologist who specializes in petrology.


geochemist

A chemist or geologist who specializes in geochemistry


quaternarist

quaternarists (plural)
Quaternarist (alternative)

Indeed, in recent years, the International Commission on Stratigraphy (ICS) "abolished" the Quaternary, according to riled quaternarists.

2008 January 25, Richard A. Kerr, “A Time War Over the Period We Live In”, in Science, 319(5862), page 402:

(geology, paleontology) A specialist in the Quaternary period.


biogeochemist

A scholar in the field of biogeochemistry.


geoarchaeologist

An archaeologist whose speciality is geoarchaeology


geobiologist

A biologist whose speciality is geobiology.


geomorphologist

A geologist whose speciality is geomorphology


stratigrapher

The barren hills south of Beipiao, swept by an icy wind from Mongolia, stand in stark contrast to the ancient environment, which stratigrapher Hao Zhaolin of the Beipiao Bureau of Mineral Resources Administration describes as "a shallow, warm lake whose waters teemed with shoals of fish," with flocks of birds overhead.

1998 March 13, Justin Wang, “PALEONTOLOGY: Scientists Flock to Explore China's 'Site of the Century'”, in Science, volume 279, number 5357, →DOI, pages 1626–1627:

A senior stratigrapher at the Nanjing Institute of Geology and Paleontology (NIGP), Jin spent up to 6 months before each trip meeting such bureaucratic requirements as advance approval for every piece of correspondence.

2001 January 12, Xiong Lei, “PARTNERS: Fruitful Collaborations Follow a Two-Way Street”, in Science, volume 291, number 5502, →DOI:


micropaleontologist

micropaleontologists (plural)
micropalaeontologist (alternative)
micropalæontologist (alternative)


stratigraphist

The study of the geological features' of this district presents many problems of exceeding interest both to the stratigraphist and petrologist.

1897, George Alfred Denny, The Klerksdorp gold fields:


biogeoscientist

We are seeking a Biogeoscientist to teach introductory, intermediate, and advanced biology and environmental studies courses.

2003, Black Issues in Higher Education, Volume 20, Issues 8-14:

A scholar or researcher in biogeoscience.