Examples of calcite

calcite isn’t in the Cambridge Dictionary yet. You can help!
The carbonate minerals, calcite, dolomite and ankerite were precipitated, with stringers of marcasite and trace chalcopyrite.
However, calcite is only rarely abundant in the samples studied.
Partial retrogression is evident from the form of very fine-grained chlorite, calcite and actinolite.
These vertical faults show diffuse recrystallization of calcite also along joints and major displacements.
The vesicles are filled with calcite, chlorite, quartz and carbon.
Limestone fragments and a few silicified grains (chert) are present, within a calcite spar cement.
The clay contains a large number of contorted calcite veins.
Higher up in the sedimentary record, calcite becomes the most prominent carbonate mineral.
Calcite precipitation rate decreased with depth, and deeper microbial structures are more commonly compacted.
It consists of microcrystalline calcite, locally silicified to chalcedony, which occurs as laterally continuous, either laminated or massive beds up to 15 cm thick.
The powder identified as calcite in a fracture line of the substratum we believe originated from the penetration of calcareous deposits in ground water.
There are also amygdules filled with calcite, chlorite and quartz.
The pumiceous tuff is characterized by flattened pumice pseudomorphs, although some fragments are unflattened because of calcite infilling, that is, they are fossilized.
Small amounts of calcite and dolomite can appear sporadically in silica xenoliths, but are more common in calc-silicate xenoliths.
They consist of skeletal (< 1 mm) olivine phenocrysts pseudomorphed into celadonite, calcite or chalcedony, embedded in a fine-grained matrix, which contains plagioclase and clinopyroxene.

随便看

反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。