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      • SCOPUSKCI등재
      • KCI등재

        옥천대(沃川帶)의 지질(地質) 및 광물자원(鑛物資源)에 관(關)한 연구(硏究) -제천남부(堤川南部)의 옥천계(沃川系)의 조선계(朝鮮系)의 경계(境界) 및 부근(附近)의 지질(地質)-

        김옥준,민경덕,김규한,Kim, Ok Joon,Min, Kyung Duck,Kim, Kyu Han 대한자원환경지질학회 1986 자원환경지질 Vol.19 No.3

        Various interpretations on the boundary between the $Okch{\check{o}}n$ system and the Great Limestone series of the $Chos{\check{o}}n$ system, and on the geologic structure and stratigraphy of the $Okch{\check{o}}n$ system have been yielded by the previous studies, and they are still in hot debate. The present work has mainly studied on the boundary between the $Okch{\check{o}}n$ and $Chos{\check{o}}n$ systems in the south of $Jech{\check{o}}n$, and the geology in its vicinity to clarify the previous misinterpretations if any on the geologic structure and in trun stratigraphy of the area concerned. The boundary between the $Okch{\check{o}}n$ system and the Great Limestone series of the $Chos{\check{o}}n$ system has been thought to be (1) gradational relation which means two systems are the same formation, (2) unconformable relation in which the $Okch{\check{o}}n$ system overlies the $Chos{\check{o}}n$ system, (3) unconformable relation in which the $Chos{\check{o}}n$ system overlies the Okchon system indicating that the age of the $Okch{\check{o}}n$ system is Precambrian, and (4) fault contact in which the $Okch{\check{o}}n$ system of Precambrian age comes in contact with the $Chos{\check{o}}n$ system of Cambro-Ordovician age. The present study clearly found that the relationship between the two systems is a fault zone contact. Shear zone of a width of 300 to 400m is developed, and andesitic volcanics and basic dikes are intruded along the fault zone. This fault contact is exactly the north extension of the Bonghwajae fault, which was denominated long time ago by two of the present authors. The eastern side of the fault has been uplifted so that the $S{\check{o}}changri$ formation of the $Okch{\check{o}}n$ system cropped out in the zone of the Great Limestone series. All the previous workers thought that the $S{\check{o}}changri$ formation rests on the Great Limestone series, but the present study found an overthrust having a strike of $N8^{\circ}E$ and dip of $30^{\circ}NW$ between them, and the $S{\check{o}}changri$ formation has thrusted over the Great Limestone series at the central part of the study area. In the southern and northern parts of this uplifted $S{\check{o}}changri$ formation, the Great Limestone series rests unconformably on it. In the eastern part of the study area where the Mt. Dangdu is located and the previous workers thought that the $S{\check{o}}changri$ formation rests on the Great Limestone series, Precambrian basement rock whose age is older than 1720+50 m.y. crops out in the northern part of the east-west trending high angle fault, and the Great Limestone series rests unconformably on the basement.

      • KCI등재

        치성 낭종에서 염증 반응이 Ki-67 _ Cox-2와 Glut-1 항체의 분포에 미치는 영향

        김옥준,김한일,최홍란 대한구강악안면병리학회 2004 대한구강악안면병리학회지 Vol.28 No.2

        Department of Oral Pathology, Dental Science Research Institute, College of Den디'suy, Chonnam National University It is well known that the expansion of radicular and dentigerous cyst is related to the change of osmotic pressure, while the prolifera디on ofthe 비피19 epithelium in odontogenic keratocyst. When the dentigerous cyst and odontogenic keratocyst has secondary infection, they present the loss of unique sπuctures and epithelial hyperplasia. There is a question whether inflammatory reaction affects cystic formation, expansion and their treatment. Present study is to evaluate the relationship between inflammation and epithelial hyperplasia using immunohistochemial study. Followings are result; 1. 까1e age of patients ranged from 10 to 73 years (mean age, 39 years) in radicular 이5t, 10 to 71 years (mean age, 35 years) in dentigerous cyst and 10 to 54 years (mean age, 23.4 years) in odontogenic keratocyst. The sex distribution of patient distributed 32 cases for male and 16 cases for female in radicular cyst, 13 and 10 in dentigerous cyst and equally 5 and 5 in odontogenic keratocyst. 2. Inflammatory cyst in the present study distributed 44/48 cases (9 1.7%) for radicular cyst, 15/ 23 cases for dentigerous cyst and 1/ 10 case for odontogenic keratocyst. 3. Evaluation of inflammatory reaction and antigen expression, ki-67 , cox-2 and glut-1 expression increase in the inflammatory radicular and dentigerous cyst. 4. In odontoge띠c keratocyst, expression of antigens increase regardless of inflammation. Above results showed that inflammation stimulate the proliferation of lining epithelium leading to cystic expansion.

      • KCI등재

        함탄층(含炭層) 내의 chiastolite-shale의 개발(開發) 이용(利用)에 관(關)한 연구(硏究)

        김옥준,김규한,Kim, Ok Joon,Kim, Kyu Han 대한자원환경지질학회 1975 자원환경지질 Vol.8 No.3

        The chiastolite bearing shale was known to occur in various coal fields in South Korea among which the Kangneung coal fields is the most outstanding in quality and quantity of chiastolite. The chiastolite occurs mostly in black shales of Sadong formation and little in shales of Hongjom and Kobangsan formations, and is most abundant in the footwall coaly shales of the Sadong coal seams. The chiastolite has been proved to be thermal contact product of the high aluminous shale that comes into contact with Kangneung granite. The distribution of chiastolite in the Kangneung coal field is irregular. The eastern part of the region contains more chiastolite than that of western part. It is believed that the difference of the grade is due to the intensity of metamorphism. The grade of chiastolite in the shale varies from few percent up to as high as 60 % in volume, and the minable reserve of the chiastolite is estimated about 4,700,000 tons. This reserves is rather concentrated in few localities such as in Jiam Mine, Jungrim Mine, Sir 1 Hang in the Whasung Mine, the second and third sections of Kangneung Mine and Umbuelri district. The chemical composition of chiastolite bearing coaly shale is $SiO_2$, 35.0%; $Al_2O_3$, 27.0%; $Fe_2O_3$, 0.29%.

      • 부재자원개발과 한국의 우라늄

        김옥준,Kim, Ok-Jun 한국과학기술단체총연합회 1976 과학과 기술 Vol.9 No.2

        방사성 동위원소 우라늄 과학 ㆍ의학 ㆍ농업에 이용 토륨(Th) 매장량 풍부

      • KCI등재

        동북아 안보전략의 변화와 북한 핵문제 북핵문제해결을 위한 중국의 적극적인 역할과 요인

        김옥준 평화문제연구소 2004 統一問題硏究 Vol.16 No.1

        With regard to the issue of North Korea``s nuclear weapon development program, China began to change its policy by voting for transfer of the North Korean issue to the Special Council of the IAEA of the Security Council of the UN. Since then, China has actively participated in the Tripartite Meeting and two Six Party Meetings. Furthermore, China persuaded North Korea to participate in the multilateral meetings to peacefully resolve the issue of North Korean nuclear weapon development by providing aid to North Korea. In this sense, this paper attempts to define the main factors that determined the active role of China on the North Korean issue by analyzing both domestic factors such as reform policy and new leadership of the Chinese government and international factors such as the Japan factor, Taiwan factor, Korean Peninsula factor, and North East Asian factor. In conclusion, China conceives the North Korean issue as an important issue on the North East Asian agenda that should be peacefully resolved by international cooperation. And the Chinese government believes that it should play an active role in the negotiations to achieve a dominant po sition in the North East Asian area.

      • KCI등재

        서울 지하철(地下鐵) 부지일대(敷地一帶) 암석(岩石)의 암석학적(岩石學的) 및 암석역학적(岩石力學的) 기준설정(基準設定)을 위(爲)한 연구(硏究)

        김옥준,이대성,정봉일,Kim, Ok Joon,Lee, Dai Sung,Jeong, Bong Il 대한자원환경지질학회 1984 자원환경지질 Vol.17 No.1

        The object of this study is to offer the standarized data for the design and calculating engineering cost of the rock excavation an the construction of the 3rd and 4th Seoul Subway lines From Jnauary to March in 1983, this study was carried out by the both methods of the field and laboratary studies. In the field, the geological survey in the entire area of Seoul City and sites on the subway lines were carried out and also a site measure of uniaxial compressional strength of rock masses by using Schmidt hammer was done. The labartory studies were carsied out by a study of preuions surveyes, microscopic studies of the mineral composition and degree of weathering of rocks, and measure of uniaxial compressional strengths Finally an engineering classification of each rock masses of South Africa council for Scientific and Industrial Research, CSIR, after Bieniawski, 1974. was done. In this method of classification 6 parameters such as strength of intact rock material, rock quality designation, spacing of fractures, condition of fractures, groundwater conditions, and the effect of fracture strike and dip orientation in tunnelling were used to evaluate rating of each rock mass.

      • KCI등재

        차령화강암(車嶺花崗岩) 저반(底盤)과 이에 관련된 금속광상(金屬鑛床)의 암석학적(岩石學的) 및 지질구조적(地質構造的) 연구(硏究)

        김옥준,Kim, Ok Joon 대한자원환경지질학회 1977 자원환경지질 Vol.10 No.3

        The Charyong batholith extends northeasterly from the west coast to the west of Wonju in the central parts of Korean Penninsula. The batholith is separated by the metamorphic complex into the northern and the southern granites. and is believed to intrude during the Daebo orogeny of early Jurassic to early Cretaceous age. It constitutes a sort of anticlinorium and the metamorphic complex can be regarded as a huge roof pendant. The modal analysis indicates that the Charyong batholith belongs to a series of adamellite-granodiorte-to-nalite. The oxidation property happened during a magmatic segregation reveals that the batholith shows in general orogenic assimilation trend. The granites of early to middle Jurassic age show orogenic assimilation trend, whereas those of late Jurassic to early Cretaceous age post orogenic noassimilation trend. The fracture system of the whole region is two folds: the fractures having attitute of $N25{\sim}40^{\circ}E$ and $70^{\circ}SE$ are regarded as tension fractures, and those of NS, and 50E to vertical and $N50^{\circ}E$ and $80^{\circ}E$ to vertical as shear fractures. All these facts suggest definitely that the Charyong batholith is the syntectonic intrusives during the Daebo orogeny. The mineral deposits in the area studied are gold-silver deposits in majority which was named by O,J.Kim(1970) as the Chonan metallogenic province. They are sulfides baring quartz veins which were emplaced along the tension and shear fractures originated by the Daebo orogeny.

      • KCI등재

        옥천지향사대내(沃川地向斜帶內)에 분포(分布)하는 염기성암류(鹽基性岩類)의 암석학적(岩石學的) 연구(硏究)

        김옥준,김규한,Kim, OK Joon,Kim, Kyu Han 대한자원환경지질학회 1976 자원환경지질 Vol.9 No.1

        The basic rocks distributed in the Okchon paleogeosynclinal zone have been previously considered as intrusive in majority, but as sedimentary parensis in few variety. The present study is to find out some clues to conclude otherwise, if any, by clarifying 1) the nature and characteristics of the rocks, 2) type of the associated sedimentary rocks if any, and 3) their occurrence in related to regional geologic structure. The finding are as follows: 1) The basic rocks are identified and classified to hornblende gabbro, amphibolite, basalt and andesite (in part metamorphosed to meta-volcanics), green schist and peridotite(which appears in separate locality from the others). 2) Associated sedimentary rocks which appear to overlie the basic rocks are known as Kunjasan and Baekwhasan formations. The two formations are probably same, but been used differently by different authers at different localities. The rocks is exclusively consisted of cherty looking siliceous quartzite and some localitis it shows very calcarious nature. The formation seems to indicate a sort of pelagic siliceous sediments although it contain some pebbles. 3) The basic rock suites are always underlain by the same continuous, great thrust, which separates the Okchon paleogeosyncline zone from the neogeosynclinal zone in the area studied. The comparison of Okchon basic rocks suite to the ophiolite suites in other parts of the world indicates some similarity with which the writers suggested the probalility of Okchon basic rocks being ophiolites that occur along ancient geosuture line now represented by the great thrust.

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