Sand mound image from Albuquerque Basin

Albuquerque Basin

Sand mound image from Al Khatim Desert

Al Khatim Desert

Sand mound image from Alvord Desert

Alvord Desert

Sand mound image from Antarctic Polar Desert

Antarctic Polar Desert

Sand mound image from Arabian Desert

Arabian Desert

Sand mound image from Aral Karakum

Aral Karakum

Sand mound image from Arctic Polar Desert

Arctic Polar Desert

Sand mound image from Atacama Desert

Atacama Desert

Sand mound image from Black Desert

Black Desert

Sand mound image from Chalbi Desert

Chalbi Desert

Sand mound image from Chihuahuan Desert

Chihuahuan Desert

Sand mound image from Coral Pink Sand Dunes

Coral Pink Sand Dunes

Sand mound image from Death Valley

Death Valley

Sand mound image from Deliblato Sands

Deliblato Sands

Sand mound image from Gibson Desert

Gibson Desert

Sand mound image from Gobi Desert

Gobi Desert

Sand mound image from Great Basin Desert

Great Basin Desert

Sand mound image from Great Rann of Kutch

Great Rann of Kutch

Sand mound image from Great Salt Lake Desert

Great Salt Lake Desert

Sand mound image from Great Sandy Desert

Great Sandy Desert

Sand mound image from Great Sand Sea

Great Sand Sea

Sand mound image from Great Victoria Desert

Great Victoria Desert

Sand mound image from Guban Desert

Guban Desert

Sand mound image from Indus Valley Desert

Indus Valley Desert

Sand mound image from Islands Becoming Desertified

Islands Becoming Desertified

Sand mound image from Jalapão Desert

Jalapão Desert

Sand mound image from Judaean Desert

Judaean Desert

Sand mound image from Kalahari Desert

Kalahari Desert

Sand mound image from Karakum Desert

Karakum Desert

Sand mound image from Katpana Desert

Katpana Desert

Sand mound image from Ka‘Ū Desert

Ka‘Ū Desert

Sand mound image from Kharan Desert

Kharan Desert

Sand mound image from Kyzylkum Desert

Kyzylkum Desert

Sand mound image from La Guajira Desert

La Guajira Desert

Sand mound image from Little Sandy Desert

Little Sandy Desert

Sand mound image from Locharbriggs Sandstone Formation

Locharbriggs Sandstone Formation

Sand mound image from Lompoul Desert

Lompoul Desert

Sand mound image from Marine Desert: Baltic Sea Dead Zones

Marine Desert: Baltic Sea Dead Zones

Sand mound image from Mojave Desert

Mojave Desert

Sand mound image from Monegros Desert

Monegros Desert

Sand mound image from Ndioum Desert

Ndioum Desert

Sand mound image from Nyiri Desert

Nyiri Desert

Sand mound image from Oceanic Desert Islands

Oceanic Desert Islands

Sand mound image from Oltenian Sahara

Oltenian Sahara

Sand mound image from Ordos Desert

Ordos Desert

Sand mound image from Patagonian Desert

Patagonian Desert

Sand mound image from Pumice Desert

Pumice Desert

Sand mound image from Sahara Desert

Sahara Desert

Sand mound image from Sechura Desert

Sechura Desert

Sand mound image from Simpson Desert

Simpson Desert

Sand mound image from Sonoran Desert

Sonoran Desert

Sand mound image from Sprengisandur

Sprengisandur

Sand mound image from Thal Desert

Thal Desert

Sand mound image from Thar Desert

Thar Desert

Sand mound image from The Cyclades

The Cyclades

Sand mound image from The Empty Quarter

The Empty Quarter

Sand mound image from The Namib

The Namib

Sand mound image from The Navajo Sandstone Desert

The Navajo Sandstone Desert

Sand mound image from The Negev

The Negev

Sand mound image from The Red Desert

The Red Desert

Sand mound image from The Richtersveld

The Richtersveld

Sand mound image from The Sinai

The Sinai

Sand mound image from The Syrian Desert

The Syrian Desert

Sand mound image from The Tengger Sand Sea

The Tengger Sand Sea

Sand mound image from Uyuni Salt Flat

Uyuni Salt Flat

Sand mound image from Viana Desert

Viana Desert

Sand mound image from Wadi Araba

Wadi Araba

Sand mound image from Wadi Rum

Wadi Rum

Sand mound image from White Desert

White Desert

Sand mound image from White Sands

White Sands

The Empty Quarter

The Empty Quater

XRF analysis

SiO₂

82.94

Al₂O₃

3.79

Fe₂O₃

1.04

CaO

7.36

MgO

2.73

TiO₂

0.119

Na₂O

0.66

P₂O₅

0.038

MnO

0.018

K₂O

0.973

BaO

0.017

S

0.044

Cr₂O₃

0.115

SrO

0.015

Cl

0.05

ZrO₂

0.02

NiO

0.081

Rb₂O

0.005

Sand mound image from The Empty Quarter

Zoomed-in view of sand mound image from The Empty Quarter