diachronous
11Greensand — is an olive green coloured sandstone rock which is commonly found in narrow bands, particularly associated with bands of chalk and clay worldwide; it has been deposited in marine environments at various times during Earth history, such as during… …
12Kaapvaal craton — The Kaapvaal craton (Limpopo province of South Africa), along with the Pilbara craton of Western Australia, are the only remaining areas of pristine 3.6 2.5 Ga crust on Earth. Similarities of rock records from both these cratons, especially of… …
13Ediacara fauna — ▪ paleontology unique assemblage of soft bodied organisms preserved worldwide as fossil impressions in sandstone from the Proterozoic Eon at the close of Precambrian (Precambrian time) time. These fauna represent an important landmark in the… …
14Cornubian batholith — Map showing the main granite outcrops of the Cornubian batholith in southwest England and the location of Haig Fras the 20 mGal Bouguer anomaly is also shown as this indicates the location of the negative anomalies associated with these… …
15diachronism — [dʌɪ akrənɪz(ə)m] noun Geology the occurrence of a feature or phenomenon in different geological periods. Derivatives diachronous adjective diachronously adverb …
16diachronic — adj. Linguistics etc. concerned with the historical development of a subject (esp. a language) (opp. SYNCHRONIC). Derivatives: diachronically adv. diachronism n. diachronistic adj. diachronous adj. diachrony n. Etymology: F diachronique (as DIA …
- 1
- 2
