一般的な砂

6/9教育センターでの計測結果
瀬戸山谷瀬戸山谷瀬戸山谷阿字ヶ浦阿字ヶ浦阿字ヶ浦新田川新田川新田川AustraliaAustralia
計測者萩谷杉崎神崎萩谷神崎杉崎萩谷神崎杉崎萩谷神崎
石英41139548661144133777314193
長石5624423323222114212
輝石類02415271
黒雲母1820240411
その他08131
岩片合計33013015492662624
*スコリア21
*軽石93
*岩石片33042
生物源粒子8322143
人工物
合計118213121159114236185108122151100
比率瀬戸山谷瀬戸山谷瀬戸山谷阿字ヶ浦阿字ヶ浦阿字ヶ浦新田川新田川新田川AustraliaAustralia
石英34.7%65.3%44.6%54.1%53.5%61.0%71.9%71.3%59.8%93.4%93.0%
長石47.5%11.3%34.7%20.8%20.2%9.3%11.4%13.0%17.2%1.3%0.0%
輝石類0.0%0.0%0.0%1.3%3.5%6.4%1.1%6.5%0.8%0.0%0.0%
黒雲母15.3%9.4%19.8%0.0%0.0%1.7%0.0%0.0%0.8%0.7%0.0%
その他0.0%0.0%0.0%0.0%7.0%0.0%0.5%2.8%0.0%0.7%0.0%
岩片合計2.5%14.1%0.8%18.9%13.2%20.8%14.1%5.6%21.3%1.3%4.0%
*スコリア0.0%0.0%0.0%0.0%1.8%0.0%0.0%0.0%0.0%0.0%1.0%
*軽石0.0%0.0%0.0%0.0%7.9%0.0%0.0%0.0%0.0%0.0%3.0%
*岩石片2.5%0.0%0.0%18.9%3.5%0.0%0.0%0.0%0.0%1.3%0.0%
生物源粒子0.0%0.0%0.0%5.0%2.6%0.8%1.1%0.9%0.0%2.6%3.0%
人工物0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
無色鉱物合計82.2%76.5%79.3%74.8%73.7%70.3%83.2%84.3%77.0%94.7%93.0%
有色鉱物合計15.3%9.4%19.8%1.3%10.5%8.1%1.6%9.3%1.6%1.3%0.0%
岩片合計2.5%14.1%0.8%18.9%13.2%20.8%14.1%5.6%21.3%1.3%4.0%

更新日 : 98/06/10

名前 : 萩谷 宏