Works by Howarth, Geoffrey H

Results: 10

Diamond-Silicate-Sulphide-Oxide Textural Relationships in Diamondiferous Eclogites from the Kalahari Craton Revealed by 3D X-Ray Computed Tomography.

Published in:

Journal of Petrology, 2025, v. 66, n. 7, p. 1, doi. 10.1093/petrology/egaf062

By:

Howarth, Geoffrey H;
Kahle, Beth;
Janney, Philip E;
Kahle, Richard;
Plessis, Anton Du;
Richardson, Stephen H;
Gurney, John J

Publication type:

Article

The secondary origin of diamonds: multi-modal radiation tomography of diamondiferous mantle eclogites.

Published in:

International Geology Review, 2014, v. 56, n. 9, p. 1172, doi. 10.1080/00206814.2014.926784

By:

Howarth, Geoffrey H.;
Sobolev, Nikolay V.;
Pernet-Fisher, John F.;
Barry, Peter H.;
Penumadu, Dayakar;
Puplampu, Stephen;
Ketcham, Richard A.;
Maisano, Jessica A.;
Taylor, Dawn;
Taylor, Lawrence A.

Publication type:

Article

Kimberlite pre-conditioning of the lithospheric mantle and implications for diamond survival: a case study of olivine and mantle xenocrysts from the Koidu mine (Sierra Leone).

Published in:

Mineralium Deposita, 2025, v. 60, n. 4, p. 677, doi. 10.1007/s00126-024-01312-0

By:

Howarth, Geoffrey H.;
Giuliani, Andrea;
Bussweiler, Yannick;
Tau, Merrily;
Hashibi, Sinelethu;
Janney, Philip E.;
Nowicki, Tom E.

Publication type:

Article

Petrogenesis of the Dar al Gani (DaG) 1.1 Ma ejection‐paired olivine‐phyric shergottites and implications for ~470 Ma Martian volcanism.

Published in:

Meteoritics & Planetary Science, 2023, v. 58, n. 11, p. 1654, doi. 10.1111/maps.14090

By:

Aucamp, Tarryn;
Howarth, Geoffrey H.;
Peel, Chad J.;
Costin, Gelu;
Day, James M. D.;
le Roux, Petrus;
Scott, James M.;
Greshake, Ansgar;
Bartoschewitz, Rainer

Publication type:

Article

Nickel–manganese variability in olivine and Al‐in‐olivine thermometry for olivine‐phyric shergottites.

Published in:

Meteoritics & Planetary Science, 2021, v. 56, n. 8, p. 1597, doi. 10.1111/maps.13721

By:

Ramsey, Sierra R.;
Howarth, Geoffrey H.;
Udry, Arya;
Gross, Juliane;
Righter, Kevin

Publication type:

Article

Petrogenesis of basaltic shergottite Northwest Africa 8657: Implications for fO<sub>2</sub> correlations and element redistribution during shock melting in shergottites.

Published in:

Meteoritics & Planetary Science, 2018, v. 53, n. 2, p. 249, doi. 10.1111/maps.12999

By:

HOWARTH, Geoffrey H.;
UDRY, Arya;
DAY, James M. D.

Publication type:

Article

Trace elements in olivine and the petrogenesis of the intermediate, olivine-phyric shergottite NWA 10170.

Published in:

Meteoritics & Planetary Science, 2017, v. 52, n. 2, p. 391, doi. 10.1111/maps.12799

By:

Howarth, Geoffrey H.;
Udry, Arya

Publication type:

Article

Postcrystallization metasomatism in shergottites: Evidence from the paired meteorites LAR 06319 and LAR 12011.

Published in:

Meteoritics & Planetary Science, 2016, v. 51, n. 11, p. 2061, doi. 10.1111/maps.12576

By:

Howarth, Geoffrey H.;
Liu, Yang;
Chen, Yang;
Pernet‐Fisher, John F.;
Taylor, Lawrence A.

Publication type:

Article

Two-stage polybaric formation of the new enriched, pyroxene-oikocrystic, lherzolitic shergottite, NWA 7397.

Published in:

Meteoritics & Planetary Science, 2014, v. 49, n. 10, p. 1812, doi. 10.1111/maps.12357

By:

Howarth, Geoffrey H.;
Pernet‐Fisher, John F.;
Balta, J. Brian;
Barry, Peter H.;
Bodnar, Robert J.;
Taylor, Lawrence A.

Publication type:

Article

Compositional Variations in Primitive Kimberlite Melts and Entrained Mantle Cargo from a Global Survey of Trace Element Compositions in Kimberlite Olivine.

Published in:

Journal of Petrology, 2022, v. 63, n. 8, p. 1, doi. 10.1093/petrology/egac062

By:

Howarth, Geoffrey H;
Giuliani, Andrea;
Soltys, Ashton;
Bussweiler, Yannick

Publication type:

Article