2021年2月17日 · The northern part of Silesia was formed by the deposits of Fore-Sudetic Monocline, around which clays, silts, claystones, and mudstones of the Triassic (upper …

Several trials were undertaken to examine the characteristics of ceramics made from two specific clay types: Triassic clay from the Maaziz region and Pliocene marl from the Akrach region. …

2024年9月26日 · A protocol was developed to study raw clay samples of Triassic clay and Pliocene marl acquired from the Maaziz and Akrach regions, respectively, in northeast …

Hypotheses are reviewed on the origin of the magnesium-rich Triassic clays which characterize the Germanic facies of western Europe and north Africa. Relations between clay minerals, …

2003年9月1日 · Norian and older Triassic haematite-cemented continental arkoses and smectite-dominated clays (smectite≫kaolinite) were clearly formed in arid settings. From the Rhaetian …

2008年11月1日 · Representative Triassic mixture clay, rich in minerals: oxides of iron, alkali and alkaline earths on exposure to elevated temperatures, generally shows rapid vitrification and …

2021年2月17日 · The main aims of the paper are to determine the historical evolution of the use of clay in Silesia for therapeutic purposes and to provide a summary of the historical uses of …

2021年2月17日 · The main aims of the paper are to determine the historical evolution of the use of clay in Silesia for therapeutic purposes and to provide a summary of the historical uses of …

In the youngest Triassic strata (Rhaetian), the detrital clay assemblages may contain appreciable amounts of poorly defined collapsible minerals (irregular mixed-layer smectite-mica …

Abstract: The Lower-Middle Triassic boundary clay rocks (LMTBC, for short), related to volcanic material eruption and deposition, are rich in lithium and widespread in Chongqing, Guangxi, …