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タイトルThe Remanent Magnetization of Columbia River Tertiary Basalt, Washington State, U. S. A.
作成者堂面, 春雄
作成者ヨミドウメン, ハルオ
作成者別表記Domen, Haruo
作成者所属山口大学教育学部
内容記述(抄録等)Previously the present author (1965) reported some magnetic data on the remanent magnetization of Columbia River Tertiary basalts and classified these samples into six groups; normal, intermediate and reversed group at each of two localities, i.e. Snake River and Asotin Creek. In this paper, an additional datum is given such as a datum obtained by thermo magnetic analysis. And also the direction of the natural remanent magnetization (nrm) is reclassified into six groups and overall statistics on the nrm of these samples is summerized. Nrms of each groups are shown in figures 1-6, where the solid circles show downward dip angle of nrm and open circles upwards. The large circular lines show a pair of cones having the vertex at the center of the Schmidt's net and generating by the N-S horizontal line had an axis lied on the direction of the present geomagnetic field; aparting from the horizontal plane with 68 in degrees. In figures 7 and 8, the typical thermo magnetic curves are drown for respective groups and also Curie point frequency distributions are shown obtained by such thermo magnetic curves. Figure 9 shows the static stability of overall samples; the-deviation of nrm within a sample and the order of Fisher's (Fisher 1953) 95% confidence circle for the dispersion of directions of nrms. Excepting the intermediate groups of each locality, the mean directions of nrms for four groups; R_A, R_S, N_A, and Ns are shown, where R means reversely magnetized group and N for normal and also the inferiors A and S mean sampling localities, Asotin Creek and Snake River respectively. Calcurated virtual paleogeomagnetic dipole positions for each group are plotted on the stereogram as in figure 11 (after the previous report, 1965).
本文言語eng
主題自然科学
資料タイプtext
出版者山口大学教育学部
出版者ヨミヤマグチ ダイガク キョウイク ガクブ
NII資料タイプ紀要論文
ISSN0513-1693
NCIDAN00243950
学内刊行物(紀要等)山口大学教育学部研究論叢(第2部)
掲載誌名研究論叢. 自然科学
掲載誌名別表記Bulletin of the Faculty of Education, Yamaguchi University. Natural science
15
2
開始ページ9
終了ページ12
発行日1966-03
著者版/出版社版その他
リポジトリIDC020015000203
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/C020015000203