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屯田金鑛山 南鑛床에서 産出되는 Sb, Bi 硫鹽鑛物의 産出狀態와 生成環境
Hee In Park(朴喜寅),Chan Hee Lee(李讚熙) 대한자원환경지질학회 1992 자원환경지질 Vol.25 No.1
South ore deposits of the Dunjeon gold mine is a fissure-filling vein emplaced in the Cretaceous granodiorite, skarnized and/or hornfelsified Ordovician Dumudong Formation. Mineralization can be divided into three distinct depositional stages on the basis of vein structure and mineral assemblages. Sb, Bi sulfosalts minerals, such as tetrahedrite, bournonite, boulangerite, cosalite, lillianite, heyrovskyite, unknown Pb-Bi-Sb-S mineral, native Sb, native Bi and Au-Ag minerals are mainly deposited in stage Ⅱ. The formation temperature and sulfur fugacties of Sb, Bi minerals in the stage Ⅱ deduced from thermodynamic considerations are from 172° to 378℃ and from 10-10.6 to 10-19.4 atm. Those temperatures are good agreement with temperature data obtained by fluid inclusion study which has reported already.
박희일(Hee-il Park),윤종성(Jong-seong Yoon),이상진(Sang-jin Lee) 한국정보보호학회 2015 정보보호학회논문지 Vol.25 No.5
정보통신기술의 급속한 발달로 정보의 디지털화가 가속화되면서 범죄수사뿐만 아니라 기업 및 개인 분쟁에 이르기까지 디지털 포렌식의 활용이 증대되고 있으나 디지털 증거가 갖는 위ㆍ변조의 용이성으로 인해 가치를 제대로 인정받지 못하고 있다. 특히, 국내에서는 디지털 포렌식 수행 조직의 수준에 대한 객관적인 검증 제도나 평가 방법이 부재하여 이에 대한 신뢰성 판단을 법관의 심증에 의존하고 있는 실정이다. 따라서 본 연구에서는 국내외 디지털 포렌식과 정보보호 분야의 수준 평가 방법 및 기준을 검토하여 디지털 포렌식 조직, 인원, 기술, 시설 그리고 국내 사법기관에서 적용하고 있는 수행 절차를 중심으로 국내 실정에 적합한 디지털 포렌식 수준 평가 모델 및 지표를 개발하였다. 이를 통해 디지털 증거의 신뢰성에 관한 사법기관의 판단 기준과 디지털 포렌식 조직의 구성ㆍ운영ㆍ평가를 위한 기준이 마련될 수 있을 것이다. With the acceleration of information digitization caused by fast growth of Information Technology, the application of digital forensics has increased but it is underestimated because digital evidence is easy to forge. Especially, the evaluation of the reliability of digital forensics organization is judged only by judges domestically because there is no objective verification system or evaluation method of the capability of digital forensics organization. Therefore, the evaluation model and indices of the capability of digital forensics concentrated on the digital forensics organization, personnel, technology, facilities and the procedure in domestic justice system was presented in this research after reviewing the domestic and foreign evaluation method and the standard of the capability of digital forensics and information security. The standard for judicial evaluation of digital evidence and composition, management, evaluation of digital forensics organization would be presented based on this research.
韓半島中部地域의 鑛床生成期와 生成區 : 京畿陸塊內의 鑛床生成年齡
Hee In Park(朴喜寅),Ho Wan Chang(張浩完),Myung Shik Jin(陳明植) 대한자원환경지질학회 1988 자원환경지질 Vol.21 No.4
K-Ar ages were determined on gangue and wall rock alteration minerals from twenty metallic mineral deposits in the Gyeonggi Massif. Beryl deposits give the age of 185 Ma, whereas tungsten - molybdenum deposits reveal two different age groups such as 172~156 Ma and 91~86Ma. Lead - zinc deposits and gold - silver deposits yield the ages of 160 Ma and 71~197 Ma, respectively. Mineralization ages for each genetic type of deposits in the Gyeonggi Massif can be summarized as follows; pegmatite deposits, 185 Ma; skarn deposits, 156~160 Ma; hydrothermal deposits, 71~197 Ma. Present results together with data previously reported reveal that rare earths, tungsten-molybdenum, base and precious metal deposits in the Gyeonggi Massif were formed in Jurassic and Cretaceous time with a genetic relationship to the Daebo and Bulguksa felsic igneous activity.
Hee In Park(朴喜寅),Jeong Hwang(黃政),Deog Lae Kim(金悳來) 대한자원환경지질학회 1990 자원환경지질 Vol.23 No.1
Gold-silver deposits of Deogheun and Beopjeon mines are composed of veins emplaced in Jurassic granite batholith. Based on ore structure and ore mineralogy, four distinct stages of mineral deposition are recognized in these ore deposits. Gold and silver minerals in Deogheun and Beopjeon-A ore deposits are precipitated in stage Ⅲ and stage Ⅱ, respectively. Mineral constituents of ores from these deposits are pyrite, sphalerite, arsenopyrite, pyrrhotite, chalcopyrite, galena, tetrahedrite, electrum, quartz and rhodochrosite. Cubanite, argentite and pyrargyrite occur only in Deogheun ore deposits. Ag content of electrum range from 42 to 66 atomic % in both ore deposits. Filling temperature of fluid inclusion from both ore deposits are as follows ; stage Ⅰ, 211-289℃ ; stage Ⅱ, 205-290℃ ; stage Ⅲ, 190-260℃ ; stage Ⅳ, 136-222℃ in Deogheun ore deposits. In Beopjeon-A ore deposits, stage Ⅰ, 255-305℃ ; stage Ⅱ, 135-222℃ ; stage Ⅲ, 148-256℃ ; stage Ⅳ, 103-134℃. Salinities of fluid inclusions range from 1.6-8.5 wt.% equivalent NaCl in both ore deposits. Sulfur fugacities through stage Ⅱ and Ⅲ in Deogheun ore deposits inferred from data of mineral assemblage and fluid inclusion range from 10-11.0-10-16.1 bars. Fluid pressure estimated from fluid inclusions which reveal boiling evidence range from 30-190 bars during mineralization in Deogheun ore deposits.
Hee In Park(朴喜寅),Jeong Hwang(黃政),Soon Do Huh(許順道) 대한자원환경지질학회 1992 자원환경지질 Vol.25 No.4
The gold ore deposits of Nakcheon, Gongyeong and Dongmyeong mine in the Imgye district are E-W trending fissure filling veins emplaced in Precambrian Jungbongsan granite and sedimentary rocks of Cambrian Yangdeog group. The K-Ar age for vein alteration sericite and vein laced muscovite are 73 and 93 Ma, respectively. Vein structure and mineralogy indicate the three distinct depositional stages: Ⅰ) basemetal sulfides and tin minerals, Ⅱ) gold-basemeatl sulfides, Ⅲ) gold-silver-basemetal sulfides. Major gold and silver ore minerals are electrum, native silver, pyrargyrite and argentite. Fluid inclusion data indicate that filling temperatures were from 350℃ to 190℃ through stage Ⅰ, Ⅱ and Ⅲ. Salinities were in the range of 0.0~9.5 NaCl eq.wt.% and do not reveal any systematic trend. Intermittent boiling of ore fluid during stage Ⅰ is indicated by fluid inclusions in quartz. Fluid pressure during stage Ⅰ which is estimated from fluid inclusions showing boiling evidence range from 50 to 100 bars. Gold ore deposits of the Imgye district were formed under higher temperatures and lower sulfur fugacities compared with the Eunchi silver ore deposits about 8 Km apart from the Imgye district.