Allochem is a term introduced by Folk [1] to describe the recognisable "grains" in carbonate rocks. Examples would include ooids, peloids, oncolites, pellets, fossil or pre-existing carbonate …

异化颗粒（allochem）简称异化粒，又称粒屑（grained clast），即异常化学颗粒，是碳酸盐岩的主要结构组分之一，是指在沉积盆地中形成的一种非正常化学沉淀的碳酸盐颗粒。

An allochem is a term used to describe a grain larger than 0.25 mm within a carbonate rock. The abundance and type of allochems within a carbonate rock are used to classify the specimen. …

2000年10月26日 · The classification of carbonates using the allochem/interstitial material system (the Folk System) is very systematic and straight forward. The allochem name is combined …

2020年1月15日 · 碳酸盐岩中的粒屑福克称为异化粒(allochem)，包括内碎屑、生物碎屑、鲕粒、核形石、球粒、团块等，它们是在沉积盆地内由化学、生物化学、生物作用和波浪、潮汐、岸流 …

2019年8月30日 · Like sandstone, limestones are made up of framework components, variable amounts of matrix, and cements. Frameworks, or allochems, consist of skeletal fragments, …

2025年3月24日 · "allochem" published on by null. The collective term for particles (grains) which form the framework in mechanically deposited limestones. In the limestone classification of …

• 在沉积地区或沉积环境内形成的碳酸盐成分颗粒。 • 也叫异化颗粒（allochem）：由异常化学作用所 形成的颗粒或组分。 • 成因：化学、机械、生物、综合（生物化学、生 物机械） • 分类：

Study with Quizlet and memorize flashcards containing terms like What is an allochem?, What are 4 basic types of allochems?, How are skeletal allochems differentiated from each other? and …

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