@inbook {Zierenberg1994,
	title = {{Geologic setting of massive sulfide mineralization in the Escanaba Trough}},
	booktitle = {Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California},
	series = {USGS Bulletin},
	number = {2022},
	year = {1994},
	pages = {171{\textendash}197},
	publisher = {U.S. Geological Survey},
	organization = {U.S. Geological Survey},
	address = {Reston, Va.},
	author = {Zierenberg, R A and Morton, J L and Koski, R A and Ross, S L and Holmes, M L},
	editor = {Morton, J L}
}
@article {Zierenberg1993,
	title = {{Genesis of massive sulfide deposits on a sediment-covered spreading center, Escanaba Trough 41N, Gorda Ridge}},
	journal = {Economic Geology},
	volume = {88},
	number = {8},
	year = {1993},
	pages = {2069{\textendash}2098},
	issn = {0361-0128},
	doi = {10.2113/gsecongeo.88.8.2069},
	url = {http://dx.doi.org/10.2113/gsecongeo.88.8.2069},
	author = {Zierenberg, R A and Koski, R A and Morton, J L and Bouse, R M and Shanks, W C}
}
