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{| class = "wikitable"
 
{| class = "wikitable"
 
|-
 
|-
! Variable
+
! Variable || Sandstones || Carbonates
! Sandstones
  −
! Carbonates
   
|-
 
|-
| Sediment composition
+
| Sediment composition || High variability (depending on [http://encyclopedia2.thefreedictionary.com/provenance provenance] and [[Depositional environments|depositional environment]]) || Low variability [variations of [[limestone]] and [[dolomite]] ]
| High variability (depending on [http://encyclopedia2.thefreedictionary.com/provenance provenance] and [[Depositional environments|depositional environment]])
  −
| Low variability [variations of [[limestone]] and [[dolomite]] ]
   
|-
 
|-
| Cement mineralogy
+
| Cement mineralogy || [[Quartz]], [[calcite]], [[dolomite]], [[clay]], and [[anhydrite]], etc. || [[Aragonite]], high- and low-Mg calcite, dolomite
| [[Quartz]], [[calcite]], [[dolomite]], [[clay]], and [[anhydrite]], etc.
  −
| [[Aragonite]], high- and low-Mg calcite, dolomite
   
|-
 
|-
| Original [[Pore systems|pore geometry]]
+
| Original [[Pore systems|pore geometry]] || Intergranular || Intergranular predominates, but intragranular is important
| Intergranular
  −
| Intergranular predominates, but intragranular is important
   
|-
 
|-
| Ultimate pore geometry
+
| Ultimate pore geometry || Intergranular = intercrystalline > moldic || Intergranular = intercrystalline = moldic > microporosity
| Intergranular = intercrystalline > moldic
  −
| Intergranular = intercrystalline = moldic > microporosity
   
|-
 
|-
| Uniformity of [[Pore and pore throat sizes|pore size]], shape, and distribution
+
| Uniformity of [[Pore and pore throat sizes|pore size]], shape, and distribution || Fairly uniform within a facies || Ranges from fairly uniform to extremely heterogeneous, even within a facies
| Fairly uniform within a facies
  −
| Ranges from fairly uniform to extremely heterogeneous, even within a facies
   
|-
 
|-
| Influence of [[diagenesis]]
+
| Influence of [[diagenesis]] || Minor to major || Usually major
| Minor to major
  −
| Usually major
   
|}
 
|}
  

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