beachrock

基本解釋

The altitudes of the beachrock and the platform represent that the mean sea level around 2, 000 yr is at least 2.0m higher than present mean sea level.
此外，針對我國海岸帶人口密度大，人類活動對海岸影響程度大的現(xiàn)況，提出了未來研究南海北部海岸新構(gòu)造運動存在的問題以及其解決方案。
According to analysis, beachrock is mabe up of terringenous clastic and bioclast, the cement are mainly aragonite and high Mg calcite. 14C dating data of beachrock samples show that Lianyungang beachrock formed in the Early Holocene.
經(jīng)巖石樣品及簿片、掃描電鏡、~(14)C同位素等分析測定;海灘巖主要由陸源碎屑和生物碎屑組成;膠結(jié)物為文石和高鎂方解石.
Keywords Holocene;Beachrock;Paleoclimate;Lianyungang;
全新世;海灘巖;古氣候;連云港;
sand beach Sloped sediment shoreline composed primarily of sand and/or gravel; may have beachrock.
沙灘成斜坡的沉淀物海岸線。主要由沙子及(或)礫石組成；可能有巖灘。
gravel beach Sloped sediment shoreline composed primarily of sand and/or gravel; may have beachrock.
礫石灘斜的沉淀物海岸線，主要由沙子及/或礫石組成；可能有灘巖。