Works (22)
2023 journal article
Mafic to ultramafic xenoliths from Mauna Kea, Hawaii: clues to magma evolution from trace element compositions of clinopyroxene
CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 178(3).

2019 journal article
The Miocene Goldfield-Superstition volcanic province, Central Arizona, USA: Geochemically distinct rhyolite sources, 20.5 to 19 Ma
LITHOS, 330, 139–159.

2018 journal article
Sugarloaf Mountain, central Arizona, USA: A small-scale example of Miocene basalt-rhyolite magma mixing to yield andesitic magmas
CHEMIE DER ERDE-GEOCHEMISTRY, 78(1), 116–139.

2016 journal article
Origin of Miocene andesite and dacite in the Goldfield-Superstition volcanic province, central Arizona: Hybrids of mafic and silicic magma mixing
GEOCHIMICA ET COSMOCHIMICA ACTA, 185, 394–417.

2014 journal article
Diabasic intrusion and lavas, segregation veins, and magma differentiation at Kahoolawe volcano, Hawaii
Mineralogy and Petrology, 108(2), 269–286.

2013 journal article
Sr, Nd, Hf and Pb isotope systematics of postshield-stage lavas at Kahoolawe, Hawaii
CHEMICAL GEOLOGY, 360, 159–172.

2012 journal article
Did Kahoolawe Volcano, Hawaii, Evolve to Alkalic Composition Magmatism?
JOURNAL OF GEOLOGY, 120(2), 191–202.

2010 review
Kahoolawe Island, Hawaii: The role of an 'inaccessible' shield volcano in the petrology of the Hawaiian islands and plume
[Review of ]. CHEMIE DER ERDE-GEOCHEMISTRY, 70(2), 101–123.

2009 journal article
Diorite Segregations in Gabbro: Geochemical Characteristics and Conditions for Origin Assessed at Diorite-Gabbro Contacts
JOURNAL OF GEOLOGY, 117(2), 109–125.

2006 journal article
Perspectives on basaltic magma crystallization and differentiation: Lava-lake blocks erupted at Mauna Loa volcano summit, Hawaii
LITHOS, 90(3-4), 187–213.

2005 journal article
Enriched components in the Hawaiian plume: Evidence from Kahoolawe Volcano, Hawaii
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 6.

2004 journal article
Koolau shield basalt as xenoliths entrained during rejuvenated-stage eruptions: perspectives on magma mixing
BULLETIN OF VOLCANOLOGY, 66(2), 182–199.

2002 journal article
Petrology of spinel peridotite xenoliths from northeastern Brazil: lithosphere with a high geothermal gradient imparted by Fernando de Noronha plume
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES, 15(2), 199–214.

2001 journal article
The role of tonalite and diorite in Mauna Kea volcano, Hawaii, magmatism: Petrology of summit-region leucocratic xenoliths
JOURNAL OF PETROLOGY, 42(9), 1685–1704.

2000 journal article
Geochemical evidence for the Trindade hotspot trace: Columbia seamount ankaramite
LITHOS, 51(4), 293–304.

2000 journal article
Plagioclase of Hawaiian tholeiitic and alkalic magma parentages: distinctions based on REE, Sr, Ba, Hf, and Ta
MINERALOGY AND PETROLOGY, 69(3-4), 213–225.

1998 journal article
Alkalic magma modified by incorporation of diverse tholeiitic components: 'complex' hybridization on Kahoolawe island, Hawaii
MINERALOGY AND PETROLOGY, 63(1-2), 73–94.

1998 journal article
Isotopic and trace-element indications of lithospheric and asthenospheric components in Tertiary alkalic basalts, northeastern Brazil
LITHOS, 43(4), 197–217.

1997 journal article
A view into the subsurface of Mauna Kea volcano, Hawaii: Crystallization processes interpreted through the petrology and petrography of gabbroic and ultramafic xenoliths
JOURNAL OF PETROLOGY, 38(5), 581–624.

1997 journal article
Magma-reservoir crystallization processes: small-scale dikes in cumulate gabbros, Mauna Kea Volcano, Hawaii
BULLETIN OF VOLCANOLOGY, 59(3), 186–197.

1997 journal article
Petrology, mineralogy and geochemistry of the Rolesville Granitic Batholith, Eastern Piedmont, North Carolina
Southeastern Geology, 37(2), 91-.
1989 book
Gold, copper, iron how metals are formed, found, and used
Hillside, NJ, USA: Enslow Publishers.