Sometimes, it is easier to identify what bones you have and what species they are from, once all of the rock matrix has been removed.
有时，一旦所有的岩石基质都被移除，就更容易识别你有哪些骨头以及它们来自什么物种。
Rock matrix
原声例句
阿尔伯塔大学-恐龙古生物学
中文百科
基质 (地质) Matrix (geology)
（重定向自Rock matrix）
基质(matrix or groundmass)是混杂在较大岩石颗粒和晶体中的细小颗粒。
火成岩的基质具有细小的颗粒度，较大的晶体(斑)常常嵌入其中。这种纹理说明火成岩由岩浆经过多阶段的冷却形成。例如斑状安山岩在细小基质中会有斜长岩的大斑。此外在南非,钻石往往在的风化的黏土基质(金伯利岩)中发现，这种岩石被称为黄土(yellow ground)。
沉积岩的基质是一种细粒黏土或泥沙,且常常有较大嵌入颗粒。
英语百科
Matrix (geology) 基质 (地质)
（重定向自Rock matrix）
The matrix or groundmass of rock is the finer grained mass of material in which larger grains, crystals or clasts are embedded.
The matrix of an igneous rock consists of finer grained, often microscopic, crystals in which larger crystals (phenocrysts) are embedded. This porphyritic texture is indicative of multi-stage cooling of magma. For example, porphyritic andesite will have large phenocrysts of plagioclase in a fine-grained matrix. Also in South Africa, diamonds are often mined from a matrix of weathered clay-like rock (kimberlite) called "yellow ground".
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