초록

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Abstract ▼ AI-Helper

The constituting rocks of the five storied stone pagoda in the Jeongrimsaji temple site are 149 materials in total with porphyritic biotite granodiorite. They are included in pegmatite veinlet, basic xenolith and evenly developed porphyritic plagioclase. Field detailed research and whole-rock magnet...

The constituting rocks of the five storied stone pagoda in the Jeongrimsaji temple site are 149 materials in total with porphyritic biotite granodiorite. They are included in pegmatite veinlet, basic xenolith and evenly developed porphyritic plagioclase. Field detailed research and whole-rock magnetic susceptibility were conducted around the Buyeo area where the stone pagoda is located to presume rock properties provenance. As a result of this study, there were petrologically not similar or equal to the constituting rocks of the stone pagoda, and the results of whole-rock magnetic susceptibility shows considerable difference with the constituting rocks of the stone pagoda. However, coarse-grained porphyritic biotite granodiorite almost equal to the constituting rocks of the stone pagoda was found on outcrop of the Oknyeobong peak located northwestern of the Ganggyeong and the Hwasan mountain about 3km away from there. Furthermore, petrological characteristics as similar to the constituting rocks of the stone pagoda such as pegmatite veinlet, basic xenolith and porphyritic texture are observed, along the traces of quarries around the outcrop of the Oknyeobong peak and the Hwasan mountain, which allow us to presume the provenance possibility of the rock properties. Also, the fact that constituting rocks of the stone pagoda, Oknyeobong peak and the Hwasan mountain were checked to have very similar with geochemical evolution trend, petrological and mineral characteristics. Especially, this evidence reveals that same standardization trend of minor, rare earth and immobile elements are a proof that constituting rocks of the five storied stone pagoda in the Jeongrimsaji temple site, the Oknyeobong peak and the Hwasan mountain have been formed from the same provenance of basement rocks. Therefore, stone properties used to this pagoda are strongly possible furnished a port from Gangkyeong to Buyeo through the way of Geumgang river.

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