<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="1:1">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, sans-serif;
      background: #ffffff;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding: 8px;
      user-select: none;
      -webkit-user-select: none;
    }

    .toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      justify-content: center;
      margin-bottom: 8px;
      width: 100%;
      max-width: 500px;
    }

    .btn-filter {
      font-size: 12px;
      font-weight: 600;
      padding: 5px 10px;
      border-radius: 16px;
      border: 1px solid #cbd5e1;
      background: #f8fafc;
      color: #475569;
      cursor: pointer;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-filter.active {
      background: #1e2945;
      color: #ffffff;
      border-color: #1e2945;
      box-shadow: 0 2px 6px rgba(30,41,69,0.25);
    }

    .btn-filter[data-target="igneous"].active {
      background: #dc2626;
      border-color: #dc2626;
      box-shadow: 0 2px 6px rgba(220,38,38,0.25);
    }
    .btn-filter[data-target="sediment"].active {
      background: #0284c7;
      border-color: #0284c7;
      box-shadow: 0 2px 6px rgba(2,132,199,0.25);
    }
    .btn-filter[data-target="metamorphic"].active {
      background: #9333ea;
      border-color: #9333ea;
      box-shadow: 0 2px 6px rgba(147,51,234,0.25);
    }

    .stage {
      position: relative;
      width: 100%;
      max-width: 480px;
      aspect-ratio: 1 / 1;
    }

    svg {
      width: 100%;
      height: 100%;
      overflow: visible;
    }

    .path-line {
      fill: none;
      stroke-width: 3.5;
      stroke-linecap: round;
      stroke-linejoin: round;
      transition: stroke-opacity 0.3s ease, stroke-width 0.3s ease, stroke-dashoffset 0.3s ease;
      cursor: pointer;
    }

    .path-thermal { stroke: #dc2626; }
    .path-surface { stroke: #0284c7; }
    .path-pressure { stroke: #9333ea; }

    .path-dimmed {
      stroke-opacity: 0.12 !important;
      stroke-width: 2 !important;
    }

    .label-dimmed {
      opacity: 0.15 !important;
    }

    .flow-dash {
      stroke-dasharray: 6, 6;
      animation: flowAnim 1.4s linear infinite;
    }

    @keyframes flowAnim {
      from { stroke-dashoffset: 24; }
      to { stroke-dashoffset: 0; }
    }

    .node-group {
      cursor: pointer;
      transition: transform 0.2s ease, opacity 0.3s ease;
    }

    .node-dimmed {
      opacity: 0.25 !important;
    }

    .node-rect {
      stroke-width: 2;
      transition: filter 0.2s ease, stroke-width 0.2s ease;
    }

    .node-title {
      font-size: 13px;
      font-weight: 700;
      fill: #0f172a;
      text-anchor: middle;
      dominant-baseline: central;
      pointer-events: none;
    }

    .sub-node-title {
      font-size: 11px;
      font-weight: 600;
      fill: #334155;
      text-anchor: middle;
      dominant-baseline: central;
      pointer-events: none;
    }

    .path-badge {
      font-size: 10px;
      font-weight: 700;
      paint-order: stroke;
      stroke: #ffffff;
      stroke-width: 3px;
      stroke-linecap: round;
      stroke-linejoin: round;
      text-anchor: middle;
      dominant-baseline: central;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .badge-thermal { fill: #b91c1c; }
    .badge-surface { fill: #0369a1; }
    .badge-pressure { fill: #7e22ce; }

    .legend {
      display: flex;
      justify-content: center;
      gap: 14px;
      margin-top: 4px;
      font-size: 11px;
      font-weight: 600;
      color: #64748b;
    }
    .legend-item {
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .legend-color {
      width: 12px;
      height: 4px;
      border-radius: 2px;
    }
  </style>
</head>
<body>

  <div class="toolbar">
    <button class="btn-filter active" data-target="all">All Paths</button>
    <button class="btn-filter" data-target="igneous">🌋 To Igneous</button>
    <button class="btn-filter" data-target="sediment">🌊 To Sedimentary</button>
    <button class="btn-filter" data-target="metamorphic">⚡ To Metamorphic</button>
  </div>

  <div class="stage">
    <svg viewBox="0 0 400 400">
      <defs>
        
        <marker id="arrow-thermal" viewBox="0 0 10 10" refX="6" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
          <path d="M 0 1.5 L 8 5 L 0 8.5 z" fill="#dc2626"/>
        </marker>
        <marker id="arrow-surface" viewBox="0 0 10 10" refX="6" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
          <path d="M 0 1.5 L 8 5 L 0 8.5 z" fill="#0284c7"/>
        </marker>
        <marker id="arrow-pressure" viewBox="0 0 10 10" refX="6" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
          <path d="M 0 1.5 L 8 5 L 0 8.5 z" fill="#9333ea"/>
        </marker>
      </defs>

      
      
      <path id="path-meta-melt" class="path-line path-thermal flow-dash" data-type="igneous"
            d="M 125 300 Q 155 240 180 205" marker-end="url(#arrow-thermal)" />
      <path id="path-sed-melt" class="path-line path-thermal flow-dash" data-type="igneous"
            d="M 275 300 Q 245 240 220 205" marker-end="url(#arrow-thermal)" />
      
      
      <path id="path-magma-ign" class="path-line path-thermal flow-dash" data-type="igneous"
            d="M 200 170 L 200 85" marker-end="url(#arrow-thermal)" />

      
      <path id="path-ign-weath" class="path-line path-surface flow-dash" data-type="sediment"
            d="M 255 60 Q 340 100 315 170" marker-end="url(#arrow-surface)" />
      <path id="path-meta-weath" class="path-line path-surface flow-dash" data-type="sediment"
            d="M 155 335 Q 220 340 280 205" marker-end="url(#arrow-surface)" />

      
      <path id="path-sed-rock" class="path-line path-surface flow-dash" data-type="sediment"
            d="M 315 205 L 315 295" marker-end="url(#arrow-surface)" />

      
      <path id="path-ign-meta" class="path-line path-pressure flow-dash" data-type="metamorphic"
            d="M 145 60 Q 55 120 75 295" marker-end="url(#arrow-pressure)" />
      <path id="path-sed-meta" class="path-line path-pressure flow-dash" data-type="metamorphic"
            d="M 260 330 L 160 330" marker-end="url(#arrow-pressure)" />

      
      <text id="lbl-cool" class="path-badge badge-thermal" x="200" y="125" data-type="igneous">Cooling</text>
      <text id="lbl-melt1" class="path-badge badge-thermal" x="140" y="245" data-type="igneous">Melting</text>
      <text id="lbl-melt2" class="path-badge badge-thermal" x="260" y="245" data-type="igneous">Melting</text>

      <text id="lbl-erode1" class="path-badge badge-surface" x="325" y="105" data-type="sediment">Weathering</text>
      <text id="lbl-compact" class="path-badge badge-surface" x="345" y="250" data-type="sediment">Compaction</text>

      <text id="lbl-press1" class="path-badge badge-pressure" x="65" y="165" data-type="metamorphic">Heat &amp; Pressure</text>
      <text id="lbl-press2" class="path-badge badge-pressure" x="210" y="342" data-type="metamorphic">Heat &amp; Pressure</text>

      
      
      <g id="node-magma" class="node-group" data-type="igneous">
        <circle cx="200" cy="188" r="22" fill="#fef2f2" stroke="#dc2626" stroke-width="2" />
        <text class="sub-node-title" x="200" y="189">Magma</text>
      </g>

      
      <g id="node-sediment" class="node-group" data-type="sediment">
        <circle cx="310" cy="188" r="22" fill="#f0f9ff" stroke="#0284c7" stroke-width="2" />
        <text class="sub-node-title" x="310" y="189">Sediment</text>
      </g>

      
      
      <g id="node-igneous" class="node-group" data-type="igneous">
        <rect class="node-rect" x="135" y="25" width="130" height="42" rx="10" fill="#fff" stroke="#dc2626" />
        <text class="node-title" x="200" y="46">🌋 Igneous</text>
      </g>

      
      <g id="node-metamorphic" class="node-group" data-type="metamorphic">
        <rect class="node-rect" x="20" y="305" width="130" height="42" rx="10" fill="#fff" stroke="#9333ea" />
        <text class="node-title" x="85" y="326">⚡ Metamorphic</text>
      </g>

      
      <g id="node-sedimentary" class="node-group" data-type="sediment">
        <rect class="node-rect" x="250" y="305" width="130" height="42" rx="10" fill="#fff" stroke="#0284c7" />
        <text class="node-title" x="315" y="326">🌊 Sedimentary</text>
      </g>
    </svg>
  </div>

  <div class="legend">
    <div class="legend-item">
      <div class="legend-color" style="background:#dc2626"></div>
      <span>Melting / Cooling</span>
    </div>
    <div class="legend-item">
      <div class="legend-color" style="background:#0284c7"></div>
      <span>Erosion / Deposition</span>
    </div>
    <div class="legend-item">
      <div class="legend-color" style="background:#9333ea"></div>
      <span>Heat &amp; Pressure</span>
    </div>
  </div>

  <script>
    const buttons = document.querySelectorAll('.btn-filter');
    const pathLines = document.querySelectorAll('.path-line');
    const pathBadges = document.querySelectorAll('.path-badge');
    const nodes = document.querySelectorAll('.node-group');

    function applyFilter(target) {
      buttons.forEach(b => {
        b.classList.toggle('active', b.dataset.target === target);
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        pathLines.forEach(el => el.classList.remove('path-dimmed'));
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  </script>
</body>
</html>

How Rocks Transform Through the Rock Cycle

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      width: 100%;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #ffffff;
      color: #1e2945;
      padding: 12px;
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      width: 100%;
      max-width: 680px;
      margin: 0 auto;
    }

    .rock-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      padding: 10px 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      transition: box-shadow 0.2s ease, border-color 0.2s ease;
      cursor: pointer;
      user-select: none;
    }

    .rock-card:hover, .rock-card.active {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .card-igneous.active, .card-igneous:hover { border-color: #ea580c; }
    .card-sedimentary.active, .card-sedimentary:hover { border-color: #d97706; }
    .card-metamorphic.active, .card-metamorphic:hover { border-color: #9333ea; }

    .badge {
      font-size: 11px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.6px;
      padding: 3px 8px;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    .badge-igneous { background: #ffedd5; color: #c2410c; }
    .badge-sedimentary { background: #fef3c7; color: #b45309; }
    .badge-metamorphic { background: #f3e8ff; color: #7e22ce; }

    .graphic-container {
      width: 100%;
      height: 90px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 8px;
      background: #f8fafc;
      border-radius: 8px;
      overflow: hidden;
      position: relative;
    }

    svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .section-title {
      font-size: 10px;
      font-weight: 700;
      color: #64748b;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-top: 4px;
    }

    .origin-text {
      font-size: 12px;
      font-weight: 600;
      color: #334155;
      line-height: 1.25;
      min-height: 30px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .divider {
      width: 80%;
      height: 1px;
      background: #e2e8f0;
      margin: 6px 0;
    }

    .examples-text {
      font-size: 12px;
      font-weight: 700;
      color: #0f172a;
    }

    /* Small animated glow effects on interactive selection */
    @keyframes pulseMagma {
      0%, 100% { fill: #ea580c; }
      50% { fill: #f97316; }
    }

    .magma-pulse {
      animation: pulseMagma 2.5s infinite ease-in-out;
    }

    @keyframes squeeze {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(2px); }
    }

    @keyframes squeezeUp {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-2px); }
    }

    .arrow-down { animation: squeeze 2s infinite ease-in-out; }
    .arrow-up { animation: squeezeUp 2s infinite ease-in-out; }

    @media (max-width: 480px) {
      .cards-grid {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .rock-card {
        flex-direction: row;
        text-align: left;
        padding: 8px;
      }
      .graphic-container {
        width: 85px;
        height: 75px;
        flex-shrink: 0;
        margin-bottom: 0;
        margin-right: 10px;
      }
      .badge {
        align-self: flex-start;
        margin-bottom: 4px;
      }
      .card-info {
        display: flex;
        flex-direction: column;
        justify-content: center;
        flex-grow: 1;
      }
      .origin-text {
        justify-content: flex-start;
        min-height: unset;
      }
      .divider {
        margin: 4px 0;
        width: 100%;
      }
    }
  </style>
</head>
<body>
  <div class="cards-grid">
    
    <div class="rock-card card-igneous active" onclick="selectCard(this, 'igneous')">
      <span class="badge badge-igneous">Igneous</span>
      <div class="graphic-container">
        <svg viewBox="0 0 120 90">
          
          <polygon points="15,82 60,24 105,82" fill="#475569" />
          <polygon points="48,38 60,24 72,38" fill="#334155" />
          
          <path d="M60,26 L60,82" stroke="#ea580c" stroke-width="6" stroke-linecap="round" />
          <circle cx="60" cy="80" r="12" fill="#ea580c" class="magma-pulse" />
          
          <path d="M60,24 Q50,14 44,22 Q38,30 42,42" fill="none" stroke="#f97316" stroke-width="3.5" stroke-linecap="round" />
          <path d="M60,24 Q70,12 76,20 Q82,28 78,40" fill="none" stroke="#ea580c" stroke-width="3.5" stroke-linecap="round" />
          
          <rect x="74" y="38" width="5" height="5" fill="#1e293b" rx="1" />
          <rect x="40" y="40" width="5" height="5" fill="#1e293b" rx="1" />
          <text x="60" y="12" text-anchor="middle" font-size="8" font-weight="700" fill="#c2410c">Lava Cools</text>
        </svg>
      </div>
      <div class="card-info">
        <div class="section-title">Origin</div>
        <div class="origin-text">Cooling molten rock</div>
        <div class="divider"></div>
        <div class="section-title">Examples</div>
        <div class="examples-text">Basalt, Granite</div>
      </div>
    </div>

    
    <div class="rock-card card-sedimentary" onclick="selectCard(this, 'sedimentary')">
      <span class="badge badge-sedimentary">Sedimentary</span>
      <div class="graphic-container">
        <svg viewBox="0 0 120 90">
          
          <rect x="15" y="16" width="90" height="8" fill="#bae6fd" rx="2" />
          
          
          <rect x="15" y="26" width="90" height="12" fill="#fde68a" />
          <circle cx="30" cy="32" r="1.5" fill="#d97706" />
          <circle cx="60" cy="32" r="1.5" fill="#d97706" />
          <circle cx="90" cy="32" r="1.5" fill="#d97706" />
          
          <rect x="15" y="40" width="90" height="13" fill="#fed7aa" />
          <path d="M40,46 Q45,43 50,46" stroke="#c2410c" stroke-width="1.5" fill="none" />
          <path d="M70,47 Q75,44 80,47" stroke="#c2410c" stroke-width="1.5" fill="none" />
          
          <rect x="15" y="55" width="90" height="14" fill="#cbd5e1" />
          <circle cx="35" cy="62" r="3" fill="#64748b" />
          <circle cx="60" cy="62" r="2.5" fill="#64748b" />
          <circle cx="85" cy="62" r="3.5" fill="#64748b" />
          
          <path d="M60,4 L60,13 M57,10 L60,13 L63,10" stroke="#b45309" stroke-width="2" fill="none" stroke-linecap="round" />
          <text x="60" y="82" text-anchor="middle" font-size="8" font-weight="700" fill="#b45309">Layered Strata</text>
        </svg>
      </div>
      <div class="card-info">
        <div class="section-title">Origin</div>
        <div class="origin-text">Compaction & cementation</div>
        <div class="divider"></div>
        <div class="section-title">Examples</div>
        <div class="examples-text">Sandstone, Limestone</div>
      </div>
    </div>

    
    <div class="rock-card card-metamorphic" onclick="selectCard(this, 'metamorphic')">
      <span class="badge badge-metamorphic">Metamorphic</span>
      <div class="graphic-container">
        <svg viewBox="0 0 120 90">
          
          <g class="arrow-down">
            <path d="M60,8 L60,18 M55,14 L60,18 L65,14" stroke="#7e22ce" stroke-width="2.5" fill="none" stroke-linecap="round" />
            <text x="75" y="16" font-size="7" font-weight="800" fill="#7e22ce">PRESSURE</text>
          </g>
          
          
          <rect x="22" y="24" width="76" height="42" rx="6" fill="#e9d5ff" stroke="#a855f7" stroke-width="1.5" />
          
          <path d="M25,32 Q45,28 60,34 T95,32" stroke="#6b21a8" stroke-width="3" fill="none" stroke-linecap="round" />
          <path d="M25,44 Q45,39 60,46 T95,43" stroke="#9333ea" stroke-width="3" fill="none" stroke-linecap="round" />
          <path d="M25,56 Q45,52 60,58 T95,55" stroke="#6b21a8" stroke-width="3" fill="none" stroke-linecap="round" />

          
          <g class="arrow-up">
            <path d="M38,82 Q42,75 38,70" stroke="#dc2626" stroke-width="2" fill="none" stroke-linecap="round" />
            <path d="M60,82 Q64,75 60,70" stroke="#dc2626" stroke-width="2" fill="none" stroke-linecap="round" />
            <path d="M82,82 Q86,75 82,70" stroke="#dc2626" stroke-width="2" fill="none" stroke-linecap="round" />
            <text x="60" y="89" text-anchor="middle" font-size="7" font-weight="800" fill="#dc2626">HEAT</text>
          </g>
        </svg>
      </div>
      <div class="card-info">
        <div class="section-title">Origin</div>
        <div class="origin-text">Heat & pressure (solid)</div>
        <div class="divider"></div>
        <div class="section-title">Examples</div>
        <div class="examples-text">Gneiss, Quartzite</div>
      </div>
    </div>
  </div>

  <script>
    function selectCard(el) {
      document.querySelectorAll('.rock-card').forEach(c => c.classList.remove('active'));
      el.classList.add('active');
    }
  </script>
</body>
</html>

OGS.9.ESS.2

Aligned learning resources

Related diagrams