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Issues
Volume 76, Number 5
1 August 1981

ISSN 0361-0128
EISSN 1554-0774
Economic issues in mineral resource adequacy and in the long-term supply of minerals
Economic Geology August 01, 1981, Vol.76, 999-1005. doi:https://doi.org/10.2113/gsecongeo.76.5.999
A review of regional mineral resource assessment methods
Economic Geology August 01, 1981, Vol.76, 1006-1015. doi:https://doi.org/10.2113/gsecongeo.76.5.1006
Application of image analysis and multivariate analysis to mineral resource appraisal
Economic Geology August 01, 1981, Vol.76, 1016-1031. doi:https://doi.org/10.2113/gsecongeo.76.5.1016
Estimation of uranium endowment by subjective geological analysis; a comparison of methods and estimates for the San Juan Basin, New Mexico
Economic Geology August 01, 1981, Vol.76, 1032-1055. doi:https://doi.org/10.2113/gsecongeo.76.5.1032
Uranium resource assessment through statistical analysis of exploration geochemical and other data
Economic Geology August 01, 1981, Vol.76, 1056-1066. doi:https://doi.org/10.2113/gsecongeo.76.5.1056
The Lasky cumulative tonnage-grade relationship; a reexamination
Economic Geology August 01, 1981, Vol.76, 1067-1080. doi:https://doi.org/10.2113/gsecongeo.76.5.1067
Estimating usable resources from historical industry data
Economic Geology August 01, 1981, Vol.76, 1081-1095. doi:https://doi.org/10.2113/gsecongeo.76.5.1081
Geology and geochemistry of sulfide mineralization underlying the Pueblo Viejo gold-silver oxide deposit, Dominican Republic
Economic Geology August 01, 1981, Vol.76, 1096-1117. doi:https://doi.org/10.2113/gsecongeo.76.5.1096
Precious metals in the Jimberlana Intrusion, Western Australia; implications for the genesis of platiniferous ores in layered intrusions
Economic Geology August 01, 1981, Vol.76, 1118-1141. doi:https://doi.org/10.2113/gsecongeo.76.5.1118
Essential differences between the bauxite deposits along the southern and northern edges of the Guiana Shield, South America
Economic Geology August 01, 1981, Vol.76, 1142-1152. doi:https://doi.org/10.2113/gsecongeo.76.5.1142
Chrysotile asbestos at Woodsreef, New South Wales
Economic Geology August 01, 1981, Vol.76, 1153-1169. doi:https://doi.org/10.2113/gsecongeo.76.5.1153
The Silver Hill zinc deposit and associated deposits, central North Carolina
Economic Geology August 01, 1981, Vol.76, 1170-1185. doi:https://doi.org/10.2113/gsecongeo.76.5.1170
Origin of a complex alteration assemblage, Four Corners Cu-Zn prospect, Quebec, Canada
Economic Geology August 01, 1981, Vol.76, 1186-1201. doi:https://doi.org/10.2113/gsecongeo.76.5.1186
Four Corners fenite; Noranda, Quebec, Canada
Economic Geology August 01, 1981, Vol.76, 1202-1205. doi:https://doi.org/10.2113/gsecongeo.76.5.1202
Metallogenesis at spreading centers; lead isotope systematics for sulfides, manganese-rich crusts, basalts, and sediments from the Cyamex and Alvin areas (East Pacific Rise)
Economic Geology August 01, 1981, Vol.76, 1205-1210. doi:https://doi.org/10.2113/gsecongeo.76.5.1205
Recent investigations of two quartz eye porphyroidal rock-volcanogenic massive sulfide occurrences
Economic Geology August 01, 1981, Vol.76, 1211-1216. doi:https://doi.org/10.2113/gsecongeo.76.5.1211
The origin of gemstones of Sri Lanka
Economic Geology August 01, 1981, Vol.76, 1216-1225. doi:https://doi.org/10.2113/gsecongeo.76.5.1216
Geochemistry of intrusive rocks associated with molybdenite deposits, Ketchikan Quadrangle, southeastern Alaska
Economic Geology August 01, 1981, Vol.76, 1225-1232. doi:https://doi.org/10.2113/gsecongeo.76.5.1225
Type and origin of uranium mineralizations in the Khorat Plateau, Thailand
Economic Geology August 01, 1981, Vol.76, 1232-1244. doi:https://doi.org/10.2113/gsecongeo.76.5.1232
Temperature-programmable, heating-freezing stage for microthermometric analysis of fluid inclusions
Economic Geology August 01, 1981, Vol.76, 1244-1247. doi:https://doi.org/10.2113/gsecongeo.76.5.1244
Calibration of a Linkam TH 600 programmable heating-cooling stage for microthermometric examination of fluid inclusions
Economic Geology August 01, 1981, Vol.76, 1248-1258. doi:https://doi.org/10.2113/gsecongeo.76.5.1248