This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历成之前，它含有燧石质的胶结成。成过程中，低温抵改变了沉积物的成，而后固结成。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历成岩作用之前，它含有燧石质的胶结成分。成岩作用过程中，低温抵改变了沉积物的成分，而后固结成岩。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历成岩作用之前，它含有燧石质的胶结成分。成岩作用过程中，沉积物的成分，而后固结成岩。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历成岩作之前，它含有燧石质胶结成分。成岩作中，低温抵改变了沉成分，而后固结成岩。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历岩作用之前，它含有燧石质胶结。岩作用过程中，低温抵改变了沉积物，而后固结岩。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历成岩作用之前，它含有燧石质的胶结成分。成岩作用过程中，低温抵改变了沉积物的成分，而后固结成岩。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

它经历成岩作用之前，它含有燧石质的胶结成分。成岩作用过程中，低温抵改变了沉积物的成分，而后固结成岩。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历岩作用之前，它含有燧石质的胶结分。岩作用过程中，低温抵改变了沉积物的分，而后固结岩。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历作用之前，它含有燧石质的胶结。作用过程中，低温抵改变了沉积物的，固结。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它历成岩作用之前，它含有燧石质胶结成分。成岩作用程中，低温抵改变了沉积物成分，而后固结成岩。