Top Results for Stratigraphy

Nicolas Steno was a pioneering 17th-century Danish geologist whose work significantly advanced our understanding of Earth’s history. He developed key concepts in stratigraphy—the study of layered rock formations—crystallography and paleontology. His observations regarding the orientation of sediment...

Alcide d'Orbigny was a French naturalist and paleontologist whose work on foraminifera helped establish micropaleontology as a field of study. He described and classified numerous microscopic shelled organisms, used fossils in the study of geological strata, and published research based on his scien...

Hollis D. Hedberg was an American petroleum geologist and stratigrapher whose career combined oil exploration with work on geological classification. He worked for Gulf Oil in Venezuela and later taught at Princeton, while promoting consistent distinctions among rock, time-stratigraphic, and geologi...

Raymond Cecil Moore was an American geologist and paleontologist who lived from 1892 to 1974. He is best known for founding and editing the extensive reference work, the Treatise on Invertebrate Paleontology, in 1948. Throughout his career at the University of Kansas, he made significant contributio...

Paul E. Olsen is an American paleontologist and geologist who currently serves as a professor at Columbia University. He is noted for his extensive research on the Newark Supergroup, utilizing fossils and lake sediments to reconstruct Late Triassic and Early Jurassic ecosystems. His work heavily foc...

William Smith was a prominent 18th and 19th-century English cartographer whose meticulous work revolutionized geological understanding. He developed innovative methods for correlating rock strata through mapping, establishing his map of England as the first comprehensive geological survey. This foun...

Giovanni Arduino (1714–1795) was an Italian geologist and mining engineer who made early contributions to stratigraphy. In 1759, he proposed one of the first classifications of the Earth's rock layers based on his observations of terrain in northern Italy. He divided geological formations into four...

Christian Leopold von Buch (1774–1853) was a German geologist who helped establish geology as a formal scientific discipline. He studied under Abraham Gottlob Werner and conducted extensive fieldwork across Europe, making early observations of volcanic islands and mountain formations. Von Buch is kn...

William Daniel Conybeare was an English geologist, paleontologist, and Anglican clergyman whose work helped develop the scientific study of British strata and fossil reptiles. With William Phillips, he co-authored Outlines of the Geology of England and Wales, published in 1822, an influential accoun...

Andrew Crombie Ramsay was a 19th-century Scottish geologist who served as director of the Geological Survey of Great Britain from 1871 to 1881. He contributed to stratigraphy and glacial geology, including studies of how glaciation shaped the landscapes of Wales and Scotland. Ramsay also held academ...

William Daniel Conybeare was a 19th-century British geologist, paleontologist, and clergyman recognized for his foundational contributions to stratigraphy. In 1822, he co-authored "Outlines of the Geology of England and Wales" with William Phillips, a highly influential text in the field. He is also...

Alva C. Ellisor was an influential American micropaleontologist who significantly advanced the use of microfossils in oil and gas exploration during the early 20th century. Working for Humble Oil and Refining Company, she established and led the company's first paleontological laboratory in Texas. I...

Georg Christian Füchsel was an eighteenth-century German physician and geologist whose work contributed to the development of historical geology. His Historia terrae et maris, published in 1761, described the geological structure of Thuringia through the study of its mountains, and he is associated...

Johann Gottlob Lehmann (1719-1767) was a German mineralogist and mining geologist whose work contributed to early stratigraphic thinking. His 1756 book, Versuch einer Geschichte von Flötz-Gebürgen, described the formation, position, and mineral contents of layered mountain formations, with particula...

James Geikie (1839–1915) was a prominent Scottish geologist who made major contributions to the study of glacial geology and stratigraphy. The younger brother of fellow geologist Archibald Geikie, he succeeded him as the Murchison Professor of Geology at the University of Edinburgh. He is best known...

Joseph Beete Jukes was an Irish geologist who served as the director of the Geological Survey of Newfoundland in 1839. He is widely recognized for his extensive fieldwork and surveys of Australia's geology during the 1840s, conducted while serving as a naturalist on the HMS Fly. Jukes made significa...

Roderick Murchison was a Scottish geologist renowned for his pioneering work in stratigraphy. His detailed surveys of Scotland, particularly concerning Silurian rock formations, led to the formal definition and naming of the Silurian geological period during the 1830s. This established a crucial ben...

Paul Wignall is a British paleontologist and geologist at the University of Leeds. He is best known for linking marine anoxia and carbon cycle disruptions to major Phanerozoic mass extinction events, particularly the Permian-Triassic extinction. His research utilizes field stratigraphy and geochemic...

Adam Sedgwick was an English geologist, Anglican priest, and long-serving professor of geology at the University of Cambridge. He established the Cambrian geological system in 1835 from his study of older rock sequences in Wales, while Roderick Murchison defined the neighboring Silurian system; disa...

Chester R. Longwell (1887–1975) was an American geologist who spent his academic career at Yale University. He specialized in structural geology and stratigraphy, conducting extensive field research on the complex geological formations of the American West. Longwell is particularly recognized for hi...

Ferdinand Vandiveer Hayden was an American geologist who led the United States Geological and Geographical Survey of the Territories during the late 19th century. His 1871 survey expedition to the Yellowstone region included photographers and painters, providing the first comprehensive scientific do...

John Strong Newberry (1822–1892) was an American geologist, physician, and explorer who made significant contributions to paleobotany and stratigraphy. He served as a surgeon and geologist on multiple government survey expeditions in the western United States, including the Colorado River survey led...

Fielding Bradford Meek was an American geologist and paleontologist recognized for his significant contributions to invertebrate paleontology during the 19th century. For much of his career, he worked as a researcher for the Smithsonian Institution, where he classified and described numerous fossil...

Jean-Baptiste Julien d'Omalius d'Halloy was a prominent Belgian geologist born in 1783. He is widely recognized for formally proposing the Cretaceous period in 1822, a classification derived from his extensive stratigraphic study of chalk deposits in the Paris Basin and northwestern Europe. Througho...

Henry Darwin Rogers was a nineteenth-century American geologist who served as a state geologist in New Jersey and Pennsylvania. He led geological work in Pennsylvania and contributed to early systematic study and mapping of the Appalachian region, including its rock structure, strata, and coal-beari...

Richard Twitchett is a British paleontologist and geologist who conducts research at the Natural History Museum, London. He is known for his extensive studies on the end-Permian mass extinction, focusing on the biological recovery intervals and the environmental changes that facilitated the crisis....

Jan Zalasiewicz is a British geologist, palaeontologist, and professor at the University of Leicester. He is best known for his leadership in modern stratigraphy as the former chair of the Anthropocene Working Group (AWG). In this role, he has been a primary scientific advocate for evaluating and fo...

Hollis Dow Hedberg was an American petroleum geologist and stratigrapher whose career included extensive work in Venezuela and leadership roles in the international geoscience community. He helped establish rigorous procedures for defining, naming, and correlating rock units, influencing the develop...

Henry De la Beche was a British geologist, paleontologist, and scientific administrator who founded the Geological Survey of Great Britain in 1835 and became its first director. He promoted systematic geological mapping as a practical public service supporting mining, agriculture, engineering, and s...