slgwv's photos with the keyword: Buffington pocket

Liesegang weathering

Liesegang weathering

slgwv
23 Dec 2011 7 10 275
Precipitation from solution fronts, a natural analog of chromatography. The red mineral is hematite (ferric oxide), with some orange goethite (iron oxyhydroxide, better known as rust). This sort of weathering is very common in arid environments. Aztec Sandstone, southern Nevada, USA. The coin is there to show scale and is about 1 inch (2.5 cm) across.
16-Aztec_ss_Buffington_pkt_sp-81_ig_adj

16-Aztec_ss_Buffington_pkt_sp-81_ig_adj

slgwv
23 Dec 2011 1 100
13-fampic53_ig_adj

13-fampic53_ig_adj

slgwv
23 Dec 2011 1 120
23-shattered_ls&chert_on_Aztec-sp-81_ig_adj

23-shattered_ls&chert_on_Aztec-sp-81_ig_ adj

slgwv
23 Dec 2011 172
22-fampic59_ig_adj

22-fampic59_ig_adj

slgwv
23 Dec 2011 1 136
20-shattered_ls&chert_on_Aztec-sp-81_ig_adj

20-shattered_ls&chert_on_Aztec-sp-81_ig_ adj

slgwv
23 Dec 2011 180
19-Aztec_ss_Buffington_pkt_sp-81_ig_adj

19-Aztec_ss_Buffington_pkt_sp-81_ig_adj

slgwv
23 Dec 2011 168
12-fampic52_ig_adj

12-fampic52_ig_adj

slgwv
23 Dec 2011 1 158
04-fampic48_ig_adj2

04-fampic48_ig_adj2

slgwv
23 Dec 2011 1 101