Anne Grunow

Last updated
Anne Grunow
NationalityAmerican
Alma mater Wellesley College (BA Geology/Earth Science), Columbia University (M.Phil, Ph.D Geology/Earth Science)
Occupation(s)Senior Research Scientist and Director of the Polar Rock Repository
Years active1981–present
Known forResearch on Antarctic tectonics
TitleDr.
Website https://www.researchgate.net/profile/Anne_Grunow

Anne Grunow is a senior research scientist at Ohio State University in the Byrd Polar Research Center. [1] She is also the current director of the Polar Rock Repository. [2] [3] [4] [5] Grunow is a geologist [3] specializing in Antarctic tectonics, with her research using methods from geochronology [1] and paleomagnetism.

Contents

Early life and education

During her undergraduate years at Wellesley College, [2] Grunow developed a love of geology. Her attachment to the outdoors comes from her childhood when she lived on a farm. This aligned well with the extensive fieldwork that a geology degree required. [2] Grunow graduated from Wellesley College in 1981. She then continued her education at Columbia University in New York City [1] which marked the beginning of her travels to Antarctica in 1983. Grunow was the first woman to visit many of the remote West Antarctic outcrops in the Ellworth-Whitmore mountains, Thurston Island/Jones Mtns and Pine Island Bay. In 1989 she received her doctorate (PhD) in geology. [6] Grunow worked under advisors Ian W.D. Dalziel and Dennis V. Kent [7] on her dissertation entitled: Aspects of the evolution of the West Antarctic margin of Gondwanaland.

Following this, Grunow received a NATO Post Doctoral Fellowship from 1991 to 1993 [1] at the University of Oxford. [3] She later worked with Terry Wilson and Richard E. Hanson on the research paper: Gondwana assembly: The View from Southern Africa and East Gondwana. [8] [9] Their work was published in the Journal of Geodynamics in 1997. [9]

Career and research

In 1989, she started as a university postdoctoral fellow and then research scientist at Ohio State University in the Byrd Polar Research Center. [1] Now a senior research scientist at Ohio State, she is also the director of the Polar Rock Repository. [2] [3] [5] [4] Her expertise includes geology and earth science, [3] geochronology, [1] tectonics, paleomagnetism, and polar geology. [10] Her research centers on Antarctic Tectonics and she has led research teams to the Antarctic Peninsula and the Transantartic Mountains.

Some of Anne Grunow's most cited and notable work includes her research on Pan-African deformation and the potential links to the lapetus opening. [11] This research centered around data collections dating back to the late Neoproterozoic era, and how they demonstrated a temporal correlation between Pan-African deformation and the Iapetus ocean basin closing. [11] Another one of Grunow's most cited research paper was on the changing magmatic and tectonic styles along the paleo‐Pacific margin of Gondwana and the onset of early Paleozoic magmatism in Antarctica. [12] This research focused on the early Cambrian Period tectonics and its association with volcanic arc magmatism . [12]

Her research has also been implemented in the Global Change Master Directory [13] and published in Journal of Geophysical Research .

Her work was noted by the United States Antarctic Program, which commented on the benefit of her work and the Polar Rock Repository's ability to provide samples from Antarctica to a variety of scientific sources for study. [14]

Grunow was also active in tectonics research of the Avalon Terrane in New England with Wellesley College mentor, Margaret Thompson. They have published many articles on the Boston Basin and it's evolution in the late Neoproterozoic to early Cambrian. She also conducted research on Neoproterozoic rocks near Corumba, Brazil and Puerto Suarez, Bolivia. Results from this work with colleague Loren Babcock have been published.

Publications

Awards and honors

Related Research Articles

<span class="mw-page-title-main">Rodinia</span> Hypothetical Neoproterozoic supercontinent

Rodinia was a Mesoproterozoic and Neoproterozoic supercontinent that assembled 1.26–0.90 billion years ago and broke up 750–633 million years ago. Valentine & Moores 1970 were probably the first to recognise a Precambrian supercontinent, which they named 'Pangaea I'. It was renamed 'Rodinia' by McMenamin & McMenamin 1990 who also were the first to produce a reconstruction and propose a temporal framework for the supercontinent.

<span class="mw-page-title-main">Columbia (supercontinent)</span> Ancient supercontinent of approximately 2,500 to 1,500 million years ago

Columbia, also known as Nuna or Hudsonland, was one of Earth's ancient supercontinents. It was first proposed by John J.W. Rogers and M. Santosh in 2002 and is thought to have existed approximately 2,500 to 1,500 million years ago, in the Paleoproterozoic Era. The assembly of the supercontinent was likely completed during global-scale collisional events from 2100 to 1800 million years ago.

<span class="mw-page-title-main">Pannotia</span> Hypothesized Neoproterozoic supercontinent from the end of the Precambrian

Pannotia, also known as the Vendian supercontinent, Greater Gondwana, and the Pan-African supercontinent, was a relatively short-lived Neoproterozoic supercontinent that formed at the end of the Precambrian during the Pan-African orogeny, during the Cryogenian period and broke apart 560 Ma with the opening of the Iapetus Ocean, in the late Ediacaran and early Cambrian. Pannotia formed when Laurentia was located adjacent to the two major South American cratons, Amazonia and Río de la Plata. The opening of the Iapetus Ocean separated Laurentia from Baltica, Amazonia, and Río de la Plata. In 2022 the whole concept of Pannotia has been put into question by scientists who argue its existence is not supported by geochronology, "the supposed landmass had begun to break up well before it was fully assembled".

<span class="mw-page-title-main">Marie Byrd Land</span> Unclaimed West Antarctic region

Marie Byrd Land (MBL) is an unclaimed region of Antarctica. With an area of 1,610,000 km2 (620,000 sq mi), it is the largest unclaimed territory on Earth. It was named after the wife of American naval officer Richard E. Byrd, who explored the region in the early 20th century.

<span class="mw-page-title-main">Congo Craton</span> Precambrian craton that with four others makes up the modern continent of Africa

The Congo Craton, covered by the Palaeozoic-to-recent Congo Basin, is an ancient Precambrian craton that with four others makes up the modern continent of Africa. These cratons were formed between about 3.6 and 2.0 billion years ago and have been tectonically stable since that time. All of these cratons are bounded by younger fold belts formed between 2.0 billion and 300 million years ago.

<span class="mw-page-title-main">Indian Plate</span> A minor tectonic plate that got separated from Gondwana

The Indian Plate is a minor tectonic plate straddling the equator in the Eastern Hemisphere. Originally a part of the ancient continent of Gondwana, the Indian Plate broke away from the other fragments of Gondwana 100 million years ago, began moving north and carried Insular India with it. It was once fused with the adjacent Australian Plate to form a single Indo-Australian Plate, and recent studies suggest that India and Australia have been separate plates for at least 3 million years and likely longer. The Indian Plate includes most of modern South Asia and a portion of the basin under the Indian Ocean, including parts of South China and western Indonesia, and extending up to but not including Ladakh, Kohistan and Balochistan.

<span class="mw-page-title-main">Geology of Antarctica</span> Geologic composition of Antarctica

The geology of Antarctica covers the geological development of the continent through the Archean, Proterozoic and Phanerozoic eons.

The Karoo and Ferrar Large Igneous Provinces (LIPs) are two large igneous provinces in Southern Africa and Antarctica respectively, collectively known as the Karoo-Ferrar, Gondwana, or Southeast African LIP, associated with the initial break-up of the Gondwana supercontinent at c.183Ma. Its flood basalt mostly covers South Africa and Antarctica but portions extend further into southern Africa and into South America, India, Australia and New Zealand.

<span class="mw-page-title-main">Gondwana</span> Neoproterozoic to Cretaceous landmass

Gondwana was a large landmass, sometimes referred to as a supercontinent. It was formed by the accretion of several cratons, beginning c. 800 to 650Ma with the East African Orogeny, the collision of India and Madagascar with East Africa, and was completed c.600 to 530 Ma with the overlapping Brasiliano and Kuunga orogenies, the collision of South America with Africa, and the addition of Australia and Antarctica, respectively. Eventually, Gondwana became the largest piece of continental crust of the Palaeozoic Era, covering an area of about 100,000,000 km2 (39,000,000 sq mi), about one-fifth of the Earth's surface. It fused with Euramerica during the Carboniferous to form Pangea. It began to separate from northern Pangea (Laurasia) during the Triassic, and started to fragment during the Early Jurassic. The final stages of break-up, involving the separation of Antarctica from South America and Australia, occurred during the Paleogene (from around 66 to 23 million years ago. Gondwana was not considered a supercontinent by the earliest definition, since the landmasses of Baltica, Laurentia, and Siberia were separated from it. To differentiate it from the Indian region of the same name, it is also commonly called Gondwanaland.

<span class="mw-page-title-main">Ur (continent)</span> Hypothetical archaean supercontinent from about 3.1 billion years ago

Ur is a hypothetical supercontinent that formed in the Archean 3,100 million years ago.

The Erebus hotspot is a volcanic hotspot responsible for the high volcanic activity on Ross Island in the western Ross Sea of Antarctica. Its current eruptive zone, Mount Erebus, has erupted continuously since its discovery in 1841. Magmas of the Erebus hotspot are similar to those erupted from hotspots at the active East African Rift in eastern Africa. Mount Bird at the northernmost end of Ross Island and Mount Terror at its eastern end are large basaltic shield volcanoes that have been potassium-argon dated 3.8–4.8 and 0.8–1.8 million years old.

The Antarctic Peninsula, roughly 1,000 kilometres (650 mi) south of South America, is the northernmost portion of the continent of Antarctica. Like the associated Andes, the Antarctic Peninsula is an excellent example of ocean-continent collision resulting in subduction. The peninsula has experienced continuous subduction for over 200 million years, but changes in continental configurations during the amalgamation and breakup of continents have changed the orientation of the peninsula itself, as well as the underlying volcanic rocks associated with the subduction zone.

<span class="mw-page-title-main">Mozambique Belt</span> Band in the earths crust from East Antarctica through East Africa up to the Arabian-Nubian Shield

The Mozambique Belt is a band in the earth's crust that extends from East Antarctica through East Africa up to the Arabian-Nubian Shield. It formed as a suture between plates during the Pan-African orogeny, when Gondwana was formed.

<span class="mw-page-title-main">East Antarctic Shield</span> Cratonic rock body which makes up most of the continent Antarctica

The East Antarctic Shield or Craton is a cratonic rock body that covers 10.2 million square kilometers or roughly 73% of the continent of Antarctica. The shield is almost entirely buried by the East Antarctic Ice Sheet that has an average thickness of 2200 meters but reaches up to 4700 meters in some locations. East Antarctica is separated from West Antarctica by the 100–300 kilometer wide Transantarctic Mountains, which span nearly 3,500 kilometers from the Weddell Sea to the Ross Sea. The East Antarctic Shield is then divided into an extensive central craton that occupies most of the continental interior and various other marginal cratons that are exposed along the coast.

<span class="mw-page-title-main">Famatinian orogeny</span> Paleozoic geological event in South America

The Famatinian orogeny is an orogeny that predates the rise of the Andes and that took place in what is now western South America during the Paleozoic, leading to the formation of the Famatinian orogen also known as the Famatinian belt. The Famatinian orogeny lasted from the Late Cambrian to at least the Late Devonian and possibly the Early Carboniferous, with orogenic activity peaking about 490 to 460 million years ago. The orogeny involved metamorphism and deformation in the crust and the eruption and intrusion of magma along a Famatinian magmatic arc that formed a chain of volcanoes. The igneous rocks of the Famatinian magmatic arc are of calc-alkaline character and include gabbros, tonalites, granodiorites and trondhjemites. The youngest igneous rocks of the arc are granites.

<span class="mw-page-title-main">Terry Wilson (scientist)</span> International leader in the study of present-day tectonics in Antarctica

Terry Jean Wilson is an international leader in the study of present-day tectonics in Antarctica. She has led large, international efforts, such as Polar Earth Observing Network (POLENET), to investigate the interactions between the earth's crust and the cryosphere in Antarctica.

<span class="mw-page-title-main">Rosemary Askin</span> New Zealand geologist

Rosemary Anne Askin, also known as Rosemary Askin Cully, is a New Zealand geologist specialising in Antarctic palynology. She was a trailblazer for women in Antarctic science, becoming the first New Zealand woman to undertake her own research programme in Antarctica in 1970.

<span class="mw-page-title-main">Tectonic evolution of Patagonia</span>

Patagonia comprises the southernmost region of South America, portions of which lie on either side of the Argentina-Chile border. It has traditionally been described as the region south of the Rio Colorado, although the physiographic border has more recently been moved southward to the Huincul fault. The region's geologic border to the north is composed of the Rio de la Plata craton and several accreted terranes comprising the La Pampa province. The underlying basement rocks of the Patagonian region can be subdivided into two large massifs: the North Patagonian Massif and the Deseado Massif. These massifs are surrounded by sedimentary basins formed in the Mesozoic that underwent subsequent deformation during the Andean orogeny. Patagonia is known for its vast earthquakes and the damage they cause.

<span class="mw-page-title-main">South China Craton</span>

The South China Craton or South China Block is one of the Precambrian continental blocks in China. It is traditionally divided into the Yangtze Block in the NW and the Cathaysia Block in the SE. The Jiangshan–Shaoxing Fault represents the suture boundary between the two sub-blocks. Recent study suggests that the South China Block possibly has one more sub-block which is named the Tolo Terrane. The oldest rocks in the South China Block occur within the Kongling Complex, which yields zircon U–Pb ages of 3.3–2.9 Ga.

<span class="mw-page-title-main">Geology of the Ellsworth Mountains</span> Geology of the Ellsworth Mountains, Antarctica

The geology of the Ellsworth Mountains, Antarctica, is a rock record of continuous deposition that occurred from the Cambrian to the Permian periods, with basic igneous volcanism and uplift occurring during the Middle to Late Cambrian epochs, deformation occurring in the Late Permian period or early Mesozoic era, and glacier formation occurring in the Cretaceous period and Cenozoic era. The Ellsworth Mountains are located within West Antarctica at 79°S, 85°W. In general, it is made up of mostly rugged and angular peaks such as the Vinson Massif, the highest mountain in Antarctica.

References

  1. 1 2 3 4 5 6 Polar, Anne GrunowThe Ohio State University | OSU · Byrd; PhD, Climate Research Center 29 56 ·. "Anne Grunow | PhD | The Ohio State University, OH | OSU | Byrd Polar and Climate Research Center". ResearchGate. Retrieved 2018-11-04.
  2. 1 2 3 4 5 6 Writer, MICHELLE BRUNETTI POST Staff. "Galloway Township native has Antarctic peak named for her". Press of Atlantic City. Retrieved 2018-11-04.
  3. 1 2 3 4 5 6 Grunow, Anne. "Anne Grunow Linkedin". Linkedin. Retrieved 2018-11-04.
  4. 1 2 "Global Change Master Directory (GCMD)". gcmd.nasa.gov. Retrieved 2018-11-05.[ dead link ]
  5. 1 2 University, © 2018 The Ohio State (2018-09-07). "The coolest place on campus". The Ohio State University. Retrieved 2018-11-05.
  6. ↑ "Anne Grunow". Byrd Polar and Climate Research Center. 2014-10-28. Retrieved 2018-11-04.
  7. ↑ "Geological Society of America - 2003 Day Medal - Citation & Response". www.geosociety.org. Retrieved 2018-11-05.
  8. 1 2 Grunow, Anne (1997). "Gondwana assembly: the view from southern Africa and east Gondwana". Journal of African Earth Sciences. 23 (3): 263. Bibcode:1997JGeo...23..263W. doi:10.1016/S0264-3707(96)00048-8.
  9. 1 2 3 Wilson, T.J.; Grunow, A.M.; Hanson, R.E. (1997-05-01). "Gondwana assembly: The view from Southern Africa and East Gondwana". Journal of Geodynamics. 23 (3–4): 263–286. Bibcode:1997JGeo...23..263W. doi:10.1016/S0264-3707(96)00048-8. ISSN   0264-3707.
  10. ↑ "Anne Grunow". Byrd Polar and Climate Research Center. 2014-10-28. Retrieved 2018-11-05.
  11. 1 2 3 Grunow, Anne; Hanson, Richard; Wilson, Terry (1996). "Were aspects of Pan-African deformation linked to Iapetus opening?". Geology. 24 (12): 1063. Bibcode:1996Geo....24.1063G. doi:10.1130/0091-7613(1996)024<1063:WAOPAD>2.3.CO;2. ISSN   0091-7613.
  12. 1 2 3 Encarnación, John; Grunow, Anne (December 1996). "Changing magmatic and tectonic styles along the paleo-Pacific margin of Gondwana and the onset of early Paleozoic magmatism in Antarctica". Tectonics. 15 (6): 1325–1341. Bibcode:1996Tecto..15.1325E. doi:10.1029/96tc01484. ISSN   0278-7407.
  13. 1 2 "Global Change Master Directory (GCMD)". gcmd.nasa.gov. Archived from the original on 2004-09-28. Retrieved 2018-11-05.
  14. ↑ "The Antarctic Sun: News about Antarctica - Almost Like Being There". antarcticsun.usap.gov. Retrieved 2018-11-06.
  15. ↑ M., Grunow, A. (1993). "New paleomagnetic data from the Antarctic Peninsula and their tectonic implications". Journal of Geophysical Research. 98 (B8): 13815–13833. Bibcode:1993JGR....9813815G. doi:10.1029/93jb01089. ISSN   0148-0227.
  16. ↑ "Implications for Gondwana of new Ordovician paleomagnetic data from igneous rocks in southern Victoria Land, East Antarctica" . Retrieved 2018-11-06.
  17. ↑ "BPCRC Award and Scholarship Ceremony". Byrd Polar and Climate Research Center. 2017-11-30. Retrieved 2018-11-05.
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