• The Journal of the Petrological Society of Korea
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• v.19 no.2
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• pp.109-121
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• 2010

Mt. Mudeung is located in Gwangju city, Damyang-Gun, Hwasun-Gun and its round form give us the mood of soft and rich. Its location is $126^{\circ}06'-127^{\circ}01'E$ and $35^{\circ}06'-35^{\circ}10'N$ and its highest peak is Cheonwang-bong with the height of 1,187 m. The Gwangju city is located in the West of Mt. Mudeng and the mountain range with a small basin in its East. The pavilion such as the Soswaewon, Songganjeong, Sigyongjeong are distributed along the stream in the north of Mt. Mudeung. The mountain is formed from the volcanic activity, Gwangju cauldron during the Cretaceous. The top part of Mt. Mudeung is composed of dark gray quartz-andesite and its K-Ar whole rock age is $48.1{\pm}1.7Ma$. The composition of the north area, where the Wonhyosa temple is located, is micrographic granite, whereas the composition of south area is rhyolite mainly. The main ridge of Mt. Mudeung runs from North, starting from the Bukbong, to south, passing Cheonwangbong, Jangbuljae and ending Anyangsan. Geologic feature of the mountain includes volcanic landform, mountaineous landform, and stream landform. The Seosukdae, Ipseokdae, Gyubongam, which are main ridges and formed from volcanic activity, are composed of mainly columnar joint. Saeinbong and Majipbong in the south-west are composed of mainly cliff and dome. The typical erosion landform of the mountain has three different types of the weathering-cave, each of which reflect the property of the original rock. Four different area of wide block stream, they makes the geological feature of spring-water, though its scale is small compared to that of water fall.

• Korean Journal of Food Science and Technology
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• v.45 no.3
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• pp.345-349
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• 2013

Physicochemical characteristics of Citrullus lanatus cv. Mudeungsan and 5 other cultivars of Citrullus lanatus were investigated. The color of watermelon (redness) was not significantly different among the cultivars. Hardness ranged from 38.76 to 52.12 force (g) among cultivars. Soluble solid content in Taeyangggul and Mudeungsan were higher than that in other cultivars. pH ranged from 5.39 to 6.02 among cultivars, and total acidity was the highest in Mudeungsan (0.147 mg/100 g). No significant difference in total carotenoid content was observed among the cultivars. Lycopene content in Mudeungsan cultivar was higher than that in other cultivars. Citrullin contents of watermelon flesh and rind in Mudeungsan and GangryeokSambok were higher than those in other cultivars. The major free sugars of watermelon were sucrose and fructose, and the predominant organic acids were succinic acid and citric acid. In conclusion, Mudeungsan cultivar had better properties as outlined above and contained soluble solids and functional components, compared to the other watermelon cultivars.

• The Journal of the Petrological Society of Korea
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• v.23 no.4
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• pp.325-336
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• 2014

Even though Mesozoic Mudeungsan tuff, located within Neungju Basin, has been named several rock names, it should be named as Mudeungsan tuff due to several evidences, such as fiamme, welded texture and rock fragments in the Mudeungsan tuff. Volcanic eruption boundary between the Cheonwangbong and Anyangsan areas is not clear, but petrochemical and mineral chemical evidences with different ages indicate clear petrological boundary between Cheonwangbong and Anyangsan. The Mudeungsan tuffs from Cheonwangbong and Anyangsan is welded crystal tuff with dacitic composition and were generated from cogenetic calc-alkaline magma in the volcanic arc environment. Geochemical events indicate that magma beneath Cheonwangbong was seems to have been evolved from the magma beneath Anyangsan due to fractional crystallization dominated by plagioclase.

• Proceedings of the KSEEG Conference
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• 2003.04a
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• pp.191-193
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• 2003

무등산 지역은 광주광역시 동부와 전남 화순군 서부 및 담양군 남부지역이 만나는 곳에 위치한 무등산(1187m)과 그 주위 지역을 포함하는 곳으로, 기존 연구는 광주지질도폭(김규봉 외, 1990)과 동복지질도폭(김봉균과 박병권, 1966)조사에서 비교적 자세히 수행되었으며, 화성암체에 대한 연구는 김용준 교수팀(김용준 외, 2003)에 의해 수행되었다. 본 연구는 이 지역의 화산암류를 중심으로 암석-광물의 화학적 특징, 분출시기 및 광물조성을 밝힘으로서 광주 동부지역에서의 백악기 화성활동과 이들 화산암류의 암석화학적 특징을 밝히는데 있다. (중략)

• Proceedings of the Korean Society for Bio-Environment Control Conference
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• 1998.10a
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• pp.151-155
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• 1998

본 실험은 무등산수박과 달고나수박으로 98년 4월 2일에 파종하여 4월 24일 토양과 펄라이트＋코코피트 혼합배지에 각각 정식하였다. 무등산수박과 달고나수박의 재배방법에 따른 생장결과를 보면 엽수는 달고나수박이 많은 반면 총엽면적은 무등산수박이 높게 나타났다. 생체중 및 건물중에 있어서도 달고나수박보다 무등산수박이 더 높게 나타났으며 토양재배보다 양액재배 수박이 더 월등한 생장차이를 나타내었다. 당도는 달고나 수박이 무등산수박보다 훨씬 더 높은 반면 과실무게는 무등산수박이 더 높게 나타났다. 엽병내 질소흡수량은 생육초기에는 26,000-30,000prm 정도이었고 수분후 33일에는 38,000-44,000ppm 정도로 상승하였다. 인산은 생육초기 4,000-8,800ppm 정도에서 수확기에 이르면 480-l,600ppm 정도로 감소하였다. 칼륨은 생육초기에 10,000-26,000ppm 정도였으나 수분기부터는 8,000-14,000ppm 범위로 흡수되었다. 칼슘의 흡수는 생육초기에는 앙액재배 수박이 52,000-5,700ppm 범위로 토양재배 수박의 2,700-3,900ppm 범위보다 약간 많은 것으로 나타났지만 생육이 진전됨에 따라 토양재배 수박의 흡수량이 양액재배 수박의 흡수량보다 많아지는 경향이었다. 마그네슘의 흡수는 생육초기에 토경에서 훨씬 더 용이하게 흡수되는 경향이었으나 수분기부터는 200-700ppm 범위로 일정하였다.

• Journal of the Korean association of regional geographers
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• v.18 no.3
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• pp.253-267
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• 2012

The study looked into the type and characteristics of debris landforms in Mt. Mudeung. By focusing on the representative area, we aimed to categorize the debris landforms based on the morphologic and genetic characteristcis. The types of debris areas in Mt. Mudeung can be divided into the exposed debris type, mixed type of matrix, and the boulder-hidden type. Supply of block in the debris slope area displays different features depending on types of rocks. For the stony slopes of andesite, the block must be moved from the columnar joint or cliff in the upper part. The andesite debris slopes display dominant edge shape while displaying no round shape. The granite stony slopes display dominant round shape and the present exposed slope was assumed to be formed as the core stone which was deep weathered moved along slope during the periglacial era and the matrix was removed after post-glacial era. The movements of blocks are assumed to be caused by solifluction process. The joint area where granite and andesite areas meet, granite is located beneath andesite area, and this implies that blocks were actively freezing and creeping by solifluction and freezing and thawing at that time. It can be assumes that the granite matrix formed plain slope and then andesite boulder covered up the slope. Currently, the blocks in the stony slopes of Mt. Mudeung shows almost no mobility and the stony slopes created under periglacial climate can be considered to be fossil landform.

• The Journal of the Petrological Society of Korea
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• v.11 no.3_4
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• pp.214-233
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• 2002

Igneous rocks of Mt. Mudeung area are composed of Pre-Cambrian granite gneiss, Triassic hornblende-biotite granodiorite, Jurassic quartz diorite and Cretaceous igneous rocks. The Cretaceous igneous rocks consist of volcanic rocks (Hwasun andesite, Mudeung-san dacite and Dogok rhyolite) and granitic rocks (micrograpic granite and quartz porphyry). Major elements of the Cretaceous igneous rocks represent calc-alkaline rock series and correspond to a series of differentiated products from cogenetic magma. Igneous activity of Mt. Mudeung area started from volcanic activity, and continued to intrusive activity at end of the Cretaceous. In chondrite normalized REE pattern, most of igneous rocks of Mt. Mudeung area show similar pattern of Eu (-) anomaly. This is a characteristic feature of granite in continental margin by tectonic movement. Variation diagrams of total REE vs. La/Yb V vs. SiO$_2$ indicate differentiation and magnetite fractionation sequential trend of Hwasun andesite longrightarrowMudeungsan dacitelongrightarrowquartz porphyry. In mineral composition of these igneous rocks in mt. Mudeung area, composition of plagioclase and biotite coincidence with variation of whole rock composition, and emplacement and consolidation of magma is about 15 km (about 4.9 Kbar) in Jurassic quartz diorite and 2.0~3.2 km (0.6~1.0 Kbar) in Triassic hornblende-biotite granodiorite used by amphibolite geobarometer. Parental magma type of these granitic rocks of nt. Mudeung area corresponds to VAG field in Pearce diagram, and I-type in ACF diagram.

• Journal of Korean Society of Forest Science
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• v.87 no.4
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• pp.590-600
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• 1998

This study applied the normative approach to establish evaluative standards for the facilities in Moodeung-san Provincial Park. Based on the established evaluative standards, this study examined the present facility managerial conditions of the park, and suggested some management alternatives to solve the identified problems. Data were collected by on-site survey and a mail-back questionnaire during August of 1996 in Moodeung-san Provincial Park. Out of 1,173, 519 respondents (44.2%) were used for the analysis. According to the results, three indicators out of five established indicators except 'adequacy of garbage cans' and 'adequacy of trail-guidance facilities' were in worse conditions than the established evaluative standards. The three indicators were 1) adequacy of toilets, 2) cleanness of toilets, 3) waiting time for using public transportations. The present condition for 'adequacy of trail-guidance facilities' was the same with the evaluative standard. This study suggested some management strategies to improve these problematic conditions, and introduced how managers may use these information for the facility management of the park.

• Journal of Conservation Science
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• v.25 no.1
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• pp.61-76
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• 2009

Gwangjueupseong (Gwangju Town Wall) has been found in the site of the Asian Culture Complex (former Provincial Government of Jeonnam) by archaeological field survey. The length of the remaining wall is 85.1m, and the Town Wall consists of ten kinds of rock type. The major rock types are dacite (41.1%) and andesite (35.7%). Dacite composes main rock blocks of the wall, and andesite is used to fill the cavity between main rock blocks. These rocks look very similar to basement rocks of the Mudeung Mountain on the basis of occurrence features, magnetic susceptibility, petrological, mineralogical and geochemical properties. Also, quarrying traces were found on the southwestern slope of the mountain along the Jeungsimsa Temple valley. Thus, it is probable that the rock materials of the Gwangju Town Wall were supplied from the Mudeung Mountain and that they were transported along the Gwangju river.

• Journal of The Geomorphological Association of Korea
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• v.19 no.1
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• pp.83-97
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• 2012

Slopes of Seoseokdea~ Jangbuljae, at Mt. Moodeung, appears repeatedly the cliffs are mostly greater than $70^{\circ}$, and the planations maintain around $5^{\circ}$ in general. They studied the creation of development environments, cryoplanation are mainly facing the southwest. It is assumed that rock falling had been wostly occurred under a periglacial environment through jointing due to repeated freezing and thawing. Planation at the bottom of Columnar joint are described structural benches. Movement precesses of planation matrix are solifluction or jelifluction. The result of age determination of the slopes in Jangbuljae tells that the upper part of Ibseokdae has been remaining exposed to the land surface from 110,000 year ago. The blocks in the bottom part has been exposed to the surface around 10,000 year ago while Jangbuljae has been exposed to the surface about 50,000 year ago. It was assumed that they moved to the current location since being separated from columnar joint after exposure to the surface.