Gold Mining in the Carolinas
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Gold Mining in the Carolinas A CONTEXT FOR ARCHAEOLOGICAL RESOURCES MANAGEMENT Report submitted to: Haile Gold Mine, Inc. • 7283 Haile Gold Mine Road • Kershaw, South Carolina 29067 Report prepared by: New South Associates • 6150 East Ponce de Leon Avenue • Stone Mountain, Georgia 30083 Natalie Adams Pope – Principal Investigator Brad Botwick – Archaeologist and Author March 31, 2012 • Final Report New South Associates Technical Report 2053 i Gold Mining in the Carolinas Abstract Gold mining was a significant early industry in North This context was written as a part of mitigation of and South Carolina. The first commercial gold mines Archaeological Site 38LA383, the Stamp Mill at Haile in the United States were in North Carolina, and the Gold Mine. The purpose of this context is to provide development of the mining industry led to important guidance for archaeological studies of gold mining developments in the region’s economy, settlement, in the Carolinas, regardless of whether it is related to industry, and landscape. Although a moderate number compliance with Federal laws, heritage studies, or of cultural resources relating to the Carolina gold academic research. This context can be used to aid mining industry have been identified, there has been researchers in making National Register evaluations little archaeological research into it to date. Most of under Section 106 of the National Historic Preservation the research has been completed for compliance or Act but does not dictate mitigation efforts or actions, heritage projects, and site identification and evaluation which are negotiated on a case by case basis for eligible has been hindered by the lack of a comprehensive properties. It should be noted that any mitigation efforts historic context. should be proportionate to the undertaking and provide sufficient flexibility to allow for a variety of creative This document comprises a first step towards mitigation options. providing such a context. It contains an overview of the Carolina gold mining industry that discusses its Since the discovery of gold on the Haile property, the historic development and significance. Also included mine has been opened and closed numerous times. is a description of the procedures used for mining and This has compromised the integrity of historic mining handling gold ore in the Carolinas from the nineteenth to features that may have otherwise contained research early twentieth centuries to help researchers understand potential. The Stamp Mill is the only known recorded the specific functions of individual cultural resources. mining feature that has been determined worthy of The document also provides descriptions of property further study. This context as well as an archaeological types expected at historic gold mines in the region. documentation report produced by New South A literature review describes the past gold mining in Associates satisfies a Memorandum of Agreement the Carolinas and explores how archaeologists have between the South Carolina State Historic Preservation approached the evaluation and study of gold mine sites Office and Haile Gold Mine. in the region thus far. Finally, the document presents recommendations for survey and documentation followed by specific guidelines for evaluating the National Register of Historic Places significance of gold mining sites in the Carolinas. iii Gold Mining in the Carolinas Table of Contents AbSTRACT ................................................................................................................................................................. i TAbLe OF CONTeNTS ............................................................................................................................................. iii LIST OF FIGUReS ..................................................................................................................................................... v LIST OF tabLeS ...................................................................................................................................................... vii I. INTRODUCTION ....................................................................................................................................................1 II. PHySICAL eNvIRONMeNT OF GOLD IN THe CAROLINAS ...............................................................................3 Description and Properties of Gold ....................................................................................................................3 Physiographic Context of Gold in the Carolinas .................................................................................................3 Geology of Gold in the Carolinas ........................................................................................................................5 Gold Deposits .....................................................................................................................................................7 III. HISTORIC CONTexT: GOLD MINING IN THe CAROLINAS ................................................................................9 Discovery and early Development .....................................................................................................................9 expansion and Climax of the Gold Mining Industry .........................................................................................11 Revival and Decline ..........................................................................................................................................18 Iv. MINING AND Metallurgy OF GOLD .............................................................................................................23 Prospecting .......................................................................................................................................................23 extraction ..........................................................................................................................................................24 beneficiation .....................................................................................................................................................28 Mechanical Methods ..................................................................................................................................29 Amalgamation ............................................................................................................................................31 breaking and Crushing ........................................................................................................................31 Stamp Mills...........................................................................................................................................33 Concentrating .............................................................................................................................................36 Hydrometallurgy ................................................................................................................................................39 Chlorination ................................................................................................................................................39 Roasting ...............................................................................................................................................39 Chlorination Procedure ........................................................................................................................41 Cyanide ................................................................................................................................................43 Gold Mining Practice ........................................................................................................................................44 v. GOLD MINING PROPerty TyPeS......................................................................................................................47 Prospecting and extraction Property Types ............................................................................................................48 Placer Mining ...........................................................................................................................................................48 Hard Rock/Lode/vein Mining ......................................................................................................................50 iv Processing ........................................................................................................................................................53 Ancillary Mining Property Types .......................................................................................................................55 Structures ...................................................................................................................................................55 Transportation Features ..............................................................................................................................56 Water Conveyance Systems .......................................................................................................................57 Mining Community Property Types ...................................................................................................................57 Domestic Structure Remains ......................................................................................................................57